Capnoides sempervirens (Rock Harlequin) [20 Seeds]


Germination Information: As I mentioned in the description, I started my original plants by sowing in winter (on December 31) and leaving the pot outdoors. The seeds began germinating on April 1 and flowered the first year.

With these fresh seeds, you have two options: you could try sowing (with the seeds barely covered with growing medium) immediately in July or August and look for seedlings in fall or next spring. Or, sow in fall through midwinter and leave outdoors for spring germination.

Note that this information will not appear on the seed packet you receive.

Please read the description as well before ordering.

In stock


Rock harlequin (Capnoides sempervirens, formerly Corydalis sempervirens) is a lovely wildflower that’s right at home in the garden, with ferny blue foliage and sprays of pink-and-yellow flowers from late spring through summer on upright stems that usually reach 12 to 18 inches tall (but possibly to 3 feet in some sites). It’s normally classified as a biennial, producing just a mound of foliage the first year and flowers the second year. My experience it was different: from a winter sowing, the plants flowered the first year, starting in early June. I cut them back by about half in early July and they quickly produced new growth and flowers. Once you get rock harlequin to flower, it is very likely to self-sow. Native to much of northern North America. Usually best in partial shade; can take more sun in cooler regions. Zones 4 to 8.

Collected in August and September 2022. At least 20 seeds per packet. PA ecotype.

Please read the germination information as well before ordering.

About Hayefield Seeds

Ordering Information

Shipping Information

Shipping Restrictions

Terms and Conditions

Privacy Policy


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.