A crochet shoulder patch can change a cardigan without covering a large part of the garment. Because the shoulder sits between the neckline, sleeve cap, front panel, and upper back, even a small Juniper Teal or Rose Milk motif can become one of the first details you notice.
Juniper Teal can create a darker visual anchor, define the outer edge, connect the patch to a shoulder seam, or give a floral or granny motif a concentrated center. Rose Milk can lighten the patch, separate Juniper Teal from a dark cardigan, soften a border, or create a visible focal motif inside a darker field.
The cardigan itself should determine the patch scale. A small fitted cardigan may need a compact motif that stays close to the shoulder seam, while an oversized drop-shoulder cardigan can support a larger patch that extends slightly toward the sleeve or upper back. Check both shoulders together before attachment so color balance and placement feel intentional.
The tutorials credited below include complete cardigan constructions as well as granny squares, flowers, and patchwork motifs that can support a shoulder-patch adaptation. They are not being presented as exact cardigan-repair or shoulder-patch tutorials unless that is what the source demonstrates. The Juniper Teal and Rose Milk color plans are independent editorial adaptations.
Quick List
- Juniper Teal and Rose Milk Square Crochet Cardigan Shoulder Patch
- Rose Milk and Juniper Teal Seam-Edge Crochet Cardigan Shoulder Patch
- Juniper Teal and Rose Milk Diagonal Crochet Cardigan Shoulder Patch
- Juniper Teal Granny-Center and Rose Milk Crochet Cardigan Shoulder Patch
- Rose Milk Granny-Center and Juniper Teal Crochet Cardigan Shoulder Patch
- Juniper Teal and Rose Milk Sunflower-Style Crochet Cardigan Shoulder Patch
- Rose Milk Flower and Juniper Teal Base Crochet Cardigan Shoulder Patch
- Juniper Teal Puff-Flower and Rose Milk Crochet Cardigan Shoulder Patch
- Rose Milk Daisy-Style and Juniper Teal Crochet Cardigan Shoulder Patch
- Juniper Teal and Rose Milk Patchwork Crochet Cardigan Shoulder Block
- Rose Milk Rectangular and Juniper Teal Side-Band Crochet Cardigan Shoulder Patch
- Juniper Teal Textured and Rose Milk Edge Crochet Cardigan Shoulder Patch
- Rose Milk and Juniper Teal Drop-Shoulder Crochet Cardigan Patch
- Juniper Teal Hexagon-Inspired and Rose Milk Crochet Cardigan Shoulder Patch
- Rose Milk and Juniper Teal Armhole-Frame Crochet Cardigan Shoulder Patch
- Juniper Teal and Rose Milk Checker Crochet Cardigan Shoulder Patch
- Mirrored Juniper Teal and Rose Milk Crochet Cardigan Shoulder Patches
Place Juniper Teal and Rose Milk Around the Shoulder Seam
Start by identifying where the cardigan actually carries its shoulder line. On a traditionally seamed garment, the top seam gives you a strong placement guide. On a drop-shoulder cardigan, the structural seam may sit farther down the arm, so centering a patch on that seam creates a different look from positioning it over the anatomical shoulder.
Temporarily pin a paper shape or finished crochet sample to the cardigan and try it on. Check the patch from the front, side, and back. A motif that looks perfectly centered on a flat cardigan may appear too far forward once the shoulder curves.
If you are adding two patches, mark their positions at the same time rather than completing one shoulder before planning the other.
Use Juniper Teal and Rose Milk Contrast to Protect Motif Detail
Small shoulder patches often contain more detail than their size comfortably supports. If Juniper Teal and Rose Milk have clear light-and-dark separation, small centers, borders, and joining lines can remain readable. If their values are closer than expected, larger blocks of color will usually work better than tiny alternating sections.
A grayscale photo is a useful checkpoint. Two yarns can look obviously different by hue while still having similar value, especially once textured stitches introduce shadows.
The cardigan color matters too. Rose Milk may be the clearer edge against a dark cardigan, while Juniper Teal may provide stronger separation on cream, pale gray, or other light garment colors.
Match Juniper Teal and Rose Milk Patch Weight to the Cardigan
A shoulder patch should not distort the garment. Dense crochet attached to a lightweight cardigan can pull the shoulder downward, while a very open motif may behave differently from a substantial knit or crochet cardigan beneath it.
Make one complete patch first and hold it against the garment vertically rather than only laying it flat on a table. Check whether its size and weight feel proportionate.
For paired patches, aim for comparable finished dimensions and surface density even if the color placement is intentionally reversed.
1. Juniper Teal and Rose Milk Square Crochet Cardigan Shoulder Patch
This clean square treatment makes Juniper Teal the dominant shoulder color and uses Rose Milk around the perimeter. The simple geometry works particularly well when the cardigan already has visible seams or texture and does not need another highly detailed motif.
Let Juniper Teal Fill the Main Cardigan Shoulder Patch
Use Juniper Teal across most of the square so the patch reads as one substantial color block rather than a collection of narrow bands.
Position the square so its sides relate deliberately to the shoulder seam. A slightly rotated square may look accidental unless the angled placement is clearly part of the design.
Use Rose Milk to Separate Juniper Teal From the Cardigan
A Rose Milk perimeter can give the darker center a clean stopping point. This is particularly useful when Juniper Teal is close to the cardigan’s own color.
Keep the Rose Milk border even enough that the Juniper Teal center remains visually centered after attachment.
Creator Credit: TCDDIY
2. Rose Milk and Juniper Teal Seam-Edge Crochet Cardigan Shoulder Patch
This version reverses the hierarchy. Rose Milk occupies most of the patch while Juniper Teal runs along the side that sits closest to the cardigan shoulder or sleeve seam.
Keep Rose Milk Broad Across the Shoulder Patch
A largely Rose Milk patch creates a lighter focal area without needing multiple additional colors. Keep the main field uninterrupted if you want the crochet texture to remain visible.
Test the pale field on the actual cardigan because a light patch can appear larger than a darker patch of identical dimensions.
Put Juniper Teal Beside the Rose Milk Shoulder Seam
Use Juniper Teal where the patch meets an existing garment seam. The darker line can visually connect new crochet with the cardigan’s construction instead of floating in the middle of the shoulder.
If the seam itself is already prominent, keep the Juniper Teal treatment narrow enough that the area does not become visually heavy.
Creator Credit: VivCrochets
3. Juniper Teal and Rose Milk Diagonal Crochet Cardigan Shoulder Patch
A diagonal color block introduces movement across a small rectangular or square patch without requiring several stripes. Let Juniper Teal cover most of the shape and use Rose Milk in one corner.
Keep Juniper Teal as the Larger Diagonal Shoulder Block
Giving Juniper Teal most of the patch keeps the color division readable even when the shoulder curves.
Position the diagonal while the sample is pinned to the cardigan. An angle that looks balanced flat may point awkwardly toward the neckline once worn.
Let Rose Milk Cut Across One Juniper Teal Corner
One substantial Rose Milk corner creates more impact than several tiny diagonal lines. It also gives the patch a directional front-to-back quality.
For two shoulders, decide whether the Rose Milk corners should point inward toward the neckline or outward toward the sleeves.
Mirror the Rose Milk Angle Across Juniper Teal Patches
Intentional mirroring creates a coordinated pair without making the two patches literally identical.
Check the angle from the front and back before attaching either patch permanently.
Creator Credit: Chenda DIY
4. Juniper Teal Granny-Center and Rose Milk Crochet Cardigan Shoulder Patch
A granny-square patch gives the colors natural concentric roles. Juniper Teal can hold the center while Rose Milk expands outward and creates the actual boundary against the cardigan.
Keep Juniper Teal Concentrated at the Granny-Square Center
A Juniper Teal center gives the patch a strong focal point without making the full shoulder area dark.
Make the center large enough to remain visible after the patch is attached and viewed from normal distance.
Expand Rose Milk Around the Juniper Teal Granny Center
Rose Milk outer rounds increase the lighter visual area and can help the motif separate from a dark cardigan.
If the cardigan is very pale, compare a Rose Milk edge with a final Juniper Teal outline before deciding which provides the clearer boundary.
Center Juniper Teal Carefully Inside the Rose Milk Shoulder Patch
A granny motif makes alignment easy to judge. Position the Juniper Teal center where it looks balanced on the worn shoulder rather than assuming the geometric center of the seam area is automatically correct.
Creator Credit: crochet-crosia
5. Rose Milk Granny-Center and Juniper Teal Crochet Cardigan Shoulder Patch
Reverse the concentric layout with Rose Milk at the center and Juniper Teal around the outside. The darker edge makes the shoulder patch more defined while preserving a pale focal point.
Give Rose Milk Enough Area Inside the Juniper Teal Granny Patch
A very small Rose Milk center can disappear once surrounded by multiple dark rounds. Let the light area occupy enough of the square to remain an intentional focal feature.
This is especially important if the cardigan itself is light and the dark frame becomes visually dominant.
Use Juniper Teal Around the Rose Milk Outer Rounds
The Juniper Teal perimeter can visually contain the granny construction and give the patch a distinct outline against the garment.
Keep the final dark rounds proportional so the patch does not look like a teal block with a tiny pale dot.
Repeat Rose Milk Placement on Both Juniper Teal Shoulders
Matching center placement helps paired patches feel connected even if their surrounding cardigan seams differ slightly.
Lay both finished motifs side by side before attaching them.
Creator Credit: Sirin’s Crochet
6. Juniper Teal and Rose Milk Sunflower-Style Crochet Cardigan Shoulder Patch
A sunflower-inspired square provides several natural color zones. Instead of copying traditional flower colors, let Juniper Teal define the center and use Rose Milk in the petal area for a two-color floral interpretation.
Let Juniper Teal Anchor the Rose Milk Flower Center
A dark teal center keeps the floral motif visually grounded and gives the shoulder patch an obvious focal point.
Avoid repeating Juniper Teal heavily through every petal if you want the center to retain its role.
Use Rose Milk Across the Juniper Teal Flower Petals
Rose Milk can occupy the larger petal zone, giving the patch enough lighter surface to remain visible on the shoulder.
Check the flower at garment distance. Detailed petal separation that looks clear in your hand may soften once the patch is worn.
Keep Juniper Teal Visible Beyond the Rose Milk Flower When Needed
If the patch needs clearer separation from the cardigan, a restrained Juniper Teal outer round can connect the flower center to the final silhouette.
Skip that extra frame when the existing cardigan already gives the Rose Milk edge enough contrast.
Creator Credit: Brunaticality
7. Rose Milk Flower and Juniper Teal Base Crochet Cardigan Shoulder Patch
This floral direction puts Rose Milk into the decorative feature while Juniper Teal becomes the stable patch underneath. It works well when you want one distinct flower rather than an all-over floral square.
Let Juniper Teal Form the Main Shoulder Patch Base
Use Juniper Teal as the flat background so the Rose Milk flower has enough uninterrupted space around it.
A simple base also keeps a dimensional flower from making the patch visually overcomplicated.
Put Rose Milk in the Juniper Teal Flower Motif
A concentrated Rose Milk flower provides a clear focal feature while occupying less physical area than the darker base.
Position the flower slightly toward the most visible part of the shoulder if a perfectly centered motif disappears toward the back when worn.
Keep Rose Milk Petals Clear of the Juniper Teal Patch Edge
Leaving some teal around the flower preserves the difference between motif and background.
If Rose Milk touches every side, the design begins to read more like an irregular pale patch than a flower on a Juniper Teal field.
Creator Credit: Kerri’s Crochet
8. Juniper Teal Puff-Flower and Rose Milk Crochet Cardigan Shoulder Patch
A cluster of puff flowers gives the patch obvious texture. Juniper Teal can carry the larger flower surfaces while Rose Milk appears in repeated centers or small joining areas.
Keep Juniper Teal Consistent Across the Puff Flowers
Using the same dominant color through several flowers helps the cluster read as one shoulder patch rather than a collection of unrelated appliqués.
Leave enough space between dimensional areas that the cardigan fabric is not overwhelmed by thickness.
Repeat Rose Milk at Every Juniper Teal Flower Center
Consistent Rose Milk centers create visual rhythm and make the smaller accent color easy to understand.
Randomly changing which flower receives a pale center can make a compact cluster look less organized.
Check Juniper Teal Puff Texture Against the Cardigan Weight
Dimensional motifs can carry more visual and physical weight than a flat granny patch. Hold the completed flower cluster vertically against the garment before attaching it.
Reduce the cluster size if the cardigan shoulder begins to sag or look disproportionately heavy.
Creator Credit: Hooked by Robin
9. Rose Milk Daisy-Style and Juniper Teal Crochet Cardigan Shoulder Patch
This version keeps the flower lighter and moves Juniper Teal toward the joining edge or background. Rose Milk petals can become the first feature you see while the teal structure keeps them contained.
Let Rose Milk Carry the Main Daisy-Style Petals
Use Rose Milk consistently through the petal area so the flower remains recognizable from several feet away.
Avoid dividing small petals between both shades unless the patch is large enough for those changes to remain clear.
Use Juniper Teal Around the Rose Milk Flower Edge
A Juniper Teal outer area can separate pale petals from a light cardigan and visually connect repeated floral sections if the patch contains more than one motif.
Keep the edge simple so it does not compete with the flower itself.
Position Rose Milk Where the Juniper Teal Patch Stays Visible
Shoulder patches wrap partly out of direct front view. Pin the patch and check whether the flower disappears toward the back before final attachment.
Moving the focal motif slightly forward can be more effective than making it larger.
Creator Credit: Dreamcrochets
10. Juniper Teal and Rose Milk Patchwork Crochet Cardigan Shoulder Block
A patchwork cardigan tutorial provides a useful reference for coordinating several small crochet units. For a shoulder patch, reduce that idea to a compact block containing larger Juniper Teal areas with controlled Rose Milk accents.
Keep Juniper Teal as the Main Patchwork Shoulder Color
Give Juniper Teal the largest or most repeated blocks so the patch still has a clear dominant shade.
Equal numbers of tiny teal and pink sections can make the shoulder look busier than the rest of the cardigan.
Use Rose Milk to Break Up Juniper Teal Patchwork Sections
Place Rose Milk where it separates larger blocks or marks one repeated corner. This gives the lighter color a structural role rather than scattering it randomly.
Compare the complete patch on the cardigan before adding another color break.
Align Juniper Teal and Rose Milk Patchwork With the Shoulder Seam
A patchwork grid contains strong internal lines. Rotate the finished block until those lines relate intentionally to the cardigan shoulder, sleeve seam, or neckline.
Creator Credit: by Kristine
11. Rose Milk Rectangular and Juniper Teal Side-Band Crochet Cardigan Shoulder Patch
A longer rectangular patch can follow the shoulder from neckline toward sleeve. Rose Milk fills the middle while Juniper Teal runs along the long sides, emphasizing the direction of the garment.
Keep Rose Milk Broad Through the Long Shoulder Patch
A continuous Rose Milk center prevents a narrow rectangle from becoming visually striped.
This also gives stitch texture enough uninterrupted area to show between the darker side bands.
Use Juniper Teal Along Both Rose Milk Long Edges
Juniper Teal can frame the rectangle and create a clear line between the patch and cardigan.
Keep the two teal bands similar in width unless you intentionally want one edge to relate more strongly to the sleeve seam.
Stop Juniper Teal Before the Rose Milk Patch Looks Too Narrow
On a small shoulder, dark edging can quickly consume the center. Judge the patch from a normal viewing distance before adding another teal finishing round.
Creator Credit: forthefrills
12. Juniper Teal Textured and Rose Milk Edge Crochet Cardigan Shoulder Patch
For a texture-led patch, keep the main surface Juniper Teal and place Rose Milk only along one edge. The restrained palette lets raised or ribbed-looking crochet provide most of the internal variation.
Keep Juniper Teal Continuous Across the Textured Shoulder Surface
Avoid frequent color changes when the stitch structure itself already creates visible lines and shadows.
A single Juniper Teal field makes the patch feel substantial without becoming excessively decorative.
Put Rose Milk Along the Juniper Teal Lower Shoulder Edge
A lighter lower edge can mark where the patch transitions toward the sleeve cap.
This is a useful placement when you want Rose Milk visible from the side but do not want it interrupting the main textured field.
Check Rose Milk Edge Depth Against Juniper Teal Texture
A very wide pale band can visually shorten the textured section. Keep enough Juniper Teal above it that the surface pattern remains the main feature.
Creator Credit: KnitcroAddict
13. Rose Milk and Juniper Teal Drop-Shoulder Crochet Cardigan Patch
A drop-shoulder cardigan provides a broader patch area because the garment seam often sits farther down the arm. Rose Milk can cover most of that extended patch while Juniper Teal follows the structural seam.
Let Rose Milk Span the Broader Drop-Shoulder Area
A larger pale patch can cover the anatomical shoulder and continue slightly toward the sleeve without looking cramped.
Keep the shape proportional to the cardigan. An oversized patch on a very relaxed garment can still feel balanced if its edges relate clearly to the construction seams.
Use Juniper Teal to Mark the Rose Milk Drop-Shoulder Seam
A Juniper Teal line at the outer edge can show exactly where the crochet patch ends and the sleeve begins.
This is especially useful when Rose Milk is close in value to the cardigan body.
Keep Juniper Teal Consistent Across Both Rose Milk Shoulders
Drop-shoulder seams are easy to compare from the front. Mark corresponding positions before attaching the patches so the dark lines sit at comparable heights.
Creator Credit: VivCrochets
14. Juniper Teal Hexagon-Inspired and Rose Milk Crochet Cardigan Shoulder Patch
A hexagon-inspired patch gives you more angled edges than a square, making it useful on a curved shoulder area. Keep Juniper Teal across the central shape and let Rose Milk define selected outer sections.
Let Juniper Teal Control the Hexagon-Inspired Shoulder Center
A broad Juniper Teal middle keeps the multi-sided patch from looking overly fragmented.
Rotate the motif on the cardigan before attachment; different orientations can point toward the neckline, sleeve, or upper back.
Use Rose Milk on Selected Juniper Teal Hexagon Edges
You do not need to outline all six sides. Rose Milk can appear on the neckline-facing and sleeve-facing edges, for example, while the remaining Juniper Teal edges meet the garment directly.
Selective edging makes color placement correspond with the shoulder rather than simply following the geometry.
Mirror Rose Milk Around the Juniper Teal Shoulder Pair
If both shoulders use hexagonal patches, repeat or mirror the edge treatment so the angled shapes feel intentionally related.
Creator Credit: HayHay Crochet
15. Rose Milk and Juniper Teal Armhole-Frame Crochet Cardigan Shoulder Patch
This layout keeps Rose Milk across the majority of the shoulder and reserves Juniper Teal for the outer side nearest the sleeve or armhole. The contrast naturally emphasizes where the shoulder patch transitions into the sleeve.
Let Rose Milk Cover the Upper Cardigan Shoulder
Keep the pale field broad enough that it remains the dominant color when seen from above and from the front.
A large uninterrupted Rose Milk area also works well when the cardigan body already contains a lot of texture.
Put Juniper Teal Beside the Rose Milk Sleeve Edge
The darker shade can follow the sleeve-cap or drop-shoulder boundary and give the patch a clear outer endpoint.
Avoid extending the Juniper Teal line too far down the sleeve unless you want the project to become a shoulder-and-sleeve embellishment rather than a contained patch.
Keep Juniper Teal Away From Every Rose Milk Border
Using dark edging on the neckline, front, back, and sleeve sides would turn the patch into a fully framed design. For this version, concentrate teal on the arm-facing boundary.
Creator Credit: Bag-O-Day Crochet
16. Juniper Teal and Rose Milk Checker Crochet Cardigan Shoulder Patch
A checker layout gives both colors repeated importance. Because the shoulder patch is small, use a limited number of larger blocks rather than a dense grid of tiny checks.
Make Juniper Teal and Rose Milk Checker Blocks Large Enough
Larger sections let each color remain visible despite stitch texture and the curve of the shoulder.
Lay out the full patch before assembly so Juniper Teal and Rose Milk do not accidentally cluster into one darker and one lighter half.
Use Juniper Teal to Anchor the Rose Milk Checker Corners
If the outer corners need stronger definition, place Juniper Teal there and allow Rose Milk to occupy more central or alternating areas.
This creates a subtle hierarchy even when the two colors are used in similar amounts.
Match Juniper Teal and Rose Milk Checker Order Across Both Shoulders
For a paired design, either repeat the same layout or mirror it deliberately. One misplaced block can be surprisingly noticeable when the patches sit at equivalent positions.
Creator Credit: AC Crochets
17. Mirrored Juniper Teal and Rose Milk Crochet Cardigan Shoulder Patches
The final idea treats the two shoulders as a coordinated pair instead of duplicates. Make one patch Juniper Teal-led with Rose Milk support and reverse the proportions on the opposite shoulder.
Let Juniper Teal Lead One Shoulder Patch
Use Juniper Teal across the largest area on one side, with Rose Milk limited to the center, corner, or edge.
Keep the actual patch dimensions consistent with the opposite shoulder so the difference clearly reads as color rather than size.
Let Rose Milk Lead the Opposite Juniper Teal Shoulder Patch
Reverse the hierarchy on the second side. Rose Milk can occupy the main field while Juniper Teal repeats the corresponding accent location.
This gives the cardigan asymmetry without introducing a third color or unrelated motif.
Balance Juniper Teal and Rose Milk From Front and Back
One patch may naturally show more from the front because of cardigan construction or posture. Try on the garment and check both viewpoints before attachment.
If the visual weight feels uneven, adjust patch position before changing the color plan itself.
Creator Credit: MJ’s Off The Hook Designs
Which Juniper Teal and Rose Milk Cardigan Shoulder Patch Should You Choose?
For the strongest Juniper Teal presence, choose the solid square, diagonal block, teal-centered granny, textured patch, or teal patchwork block. These designs keep the darker shade across enough surface to become the first feature you notice.
For a lighter shoulder treatment, use the Rose Milk-led granny, rectangular patch, drop-shoulder patch, flower patch, or armhole-frame version. Juniper Teal can then concentrate on seams, edges, centers, or other structural details.
Floral and puff-flower patches create more surface detail, so they benefit from simpler color roles. Square, rectangular, checker, and patchwork treatments can support more obvious color blocking because the geometry itself provides order.
Cardigan construction should make the final decision. A conventional shoulder seam suits compact squares and centered motifs, while a drop-shoulder silhouette offers more space for longer rectangles, patchwork blocks, or angled patches.
Conclusion
Juniper Teal and Rose Milk can create 17 distinctly different crochet cardigan shoulder patches simply by changing where the colors sit within the motif and how the finished patch relates to the garment seam.
Use Juniper Teal as the broad field when you want a stronger visual anchor. Let Rose Milk dominate when you want the shoulder to feel lighter or need clearer separation from a dark cardigan. Granny, flower, checker, patchwork, and hexagon-inspired treatments all benefit from assigning each shade a consistent role rather than changing colors simply because another section is available.
Before attaching the crochet permanently, finish and flatten the patch, pin both shoulder positions, and try the cardigan on. Check the front, side, and back views along with the garment’s drape. Use the credited tutorials for their original cardigan, motif, or patchwork construction guidance while adapting scale and attachment to the cardigan you actually have.
Frequently Asked Questions
Should Juniper Teal or Rose Milk dominate a crochet cardigan shoulder patch?
Either can lead. Juniper Teal creates a stronger visual anchor and can relate well to darker cardigans, while Rose Milk creates a lighter focal area. Compare both yarns directly on the garment before deciding which shade should cover the largest part of the patch.
Where should Rose Milk go on a Juniper Teal shoulder patch?
Useful locations include a granny-square outer round, flower petals or centers, a lower sleeve-facing edge, one diagonal corner, or a narrow perimeter. Giving Rose Milk one specific role usually creates a cleaner result than scattering it throughout the patch.
How large should a Juniper Teal and Rose Milk shoulder patch be?
Use the cardigan construction as the guide. A traditionally seamed shoulder may suit a compact patch centered near the seam, while a drop-shoulder cardigan can support a larger shape extending farther toward the sleeve. Make a paper template before crocheting if you are unsure about scale.
Can Juniper Teal and Rose Milk granny squares work as shoulder patches?
Yes, provided the finished square suits the available shoulder area. Make and measure one motif first, then pin it to the worn cardigan before producing a second patch. The square may need to be rotated or positioned differently depending on the shoulder seam.
How do I stop a Juniper Teal and Rose Milk patch from making the cardigan shoulder sag?
Keep patch size and fabric density proportionate to the cardigan. Hold the finished crochet vertically against the shoulder and check whether its weight distorts the garment. A smaller or more open patch may suit lightweight cardigans better than a large dense motif.
Should two Juniper Teal and Rose Milk shoulder patches match exactly?
They can, but they do not have to. Identical patches create the most symmetrical result. For deliberate asymmetry, reverse the color proportions or mirror the motif placement clearly so the difference looks planned.
What should I check before attaching a Juniper Teal and Rose Milk patch permanently?
Check patch dimensions, garment drape, shoulder-seam alignment, sleeve movement, color contrast, and the placement of both shoulders together. Pin the finished patches temporarily and try on the cardigan before sewing them down.
