Growing Maiden Pinks: A Complete Profile
By Growing Home Greens Team · August 19, 2026
Maiden pinks is the hardiest of the three Dianthus species here and the only one that behaves like a groundcover.
Not the same as carnation or sweet william
All three are Dianthus, and the seed rack does not always make the difference clear. Carnation is Dianthus caryophyllus, an upright cut flower. Sweet william is D. barbatus, a clustered biennial. Maiden pinks is D. deltoides: six to twelve inches tall, spreading to as much as two feet wide, and hardy down to zone 3, which is colder than either of the others tolerates.
Drainage matters more than feeding
The usual way to lose this plant is a wet winter in heavy soil, not a cold one. It forms a low evergreen mat that sits on the soil surface all winter, and that mat rots where water sits. Sharp drainage, a gritty or rocky spot, and no rich feeding is the recipe. Full sun, six or more hours.
Flowers arrive in late spring, May through July, in pink, white or red on top of the foliage mat.
A perennial that earns its square slowly
Our calendar records it as reaching its first real flowering the season after sowing, and it widens each year after that. Direct sowing about two weeks before your last frost suits it, since the seed does not need warm soil.
Where it works best is an edge, a wall top, or the gap between stepping stones, rather than the middle of a productive bed. Planted a square apart, it will spill past that square within two years, which is the intended behaviour rather than a problem.
Source: NC State Extension Gardener Plant Toolbox, Dianthus deltoides.
Companion planting guide for Maiden Pinks · Find your planting dates
Typically viable in USDA zones 3-8. Not sure your zone? Look it up by ZIP code.
Mature height: 0.5-1 ft
Method: Direct sow: Direct-sow outside. It doesn't transplant well, or doesn't need the extra time indoors.
When to plant maiden pinks, by zone
Every zone maiden pinks grow in. Pick your zone in the header and it will be highlighted here. Each zone links to its full page.
| Zone | Start indoors | Sow or plant out | Bloom |
|---|---|---|---|
| 3a & 3b | Not usually | May 16–May 23 | First real harvest the season after planting |
| 4a & 4b | Not usually | May 1–May 8 | First real harvest the season after planting |
| 5a & 5b | Not usually | Apr 26–May 3 | First real harvest the season after planting |
| 6a & 6b | Not usually | Apr 11–Apr 18 | First real harvest the season after planting |
| 7a & 7b | Not usually | Mar 27–Apr 3 | First real harvest the season after planting |
| 8a & 8b | Not usually | Mar 11–Mar 18 | First real harvest the season after planting |
See exact start-indoors, direct-sow, and harvest dates for your zone →
How many Maiden Pinks plants fit per square foot?
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 0.5-1 ft.
Where to buy maiden pinks seeds
None of the seed suppliers we list carries maiden pinks seeds right now. A local garden center or a specialty seed house is the place to look.
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See it growing
Search YouTube for "growing maiden pinks" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
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Growing Maiden Pinks: A hardy six to twelve inch Dianthus that forms an evergreen mat and flowers on top of it in late spring.
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