Botanical name: Cirsium undulatum
Common name: Wavyleaf thistle
25 seeds per packet
A native North American thistle found in prairies, open grasslands, foothills, roadsides, and other sunny, well-drained habitats. Its silvery-green, deeply lobed leaves and large lavender-purple flower heads give it a rugged, distinctly western appearance.
The showy blooms are highly attractive to native bees, bumblebees, butterflies, and other pollinators, while the mature seeds can provide food for birds. Unlike many introduced thistles, Wavyleaf thistle is a native species and can be an excellent addition to prairie restorations, wildlife gardens, and naturalized plantings.
Plants prefer full sun and well-drained soil and are well adapted to dry conditions once established. The species develops a strong taproot and is best suited to areas where it can remain undisturbed.
A striking native thistle for pollinator habitat, prairie gardens, and dry naturalistic landscapes.
Collected July 2026 near Northern Utah
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$6.00Price
Matthew L. 7/26/2024
Asclepias californica review
"This site is an amazing resource! Very generous I bought seeds of several varieties, read blog posts about which seeds to clip and how, and about germination using a heat pad. Germination rates varied between the varieties, just about how I expected from the information provided on the site. I am satisfied and will be ordering more."
John P. 6/15/2024
Asclepias verticillata review
"Used the water method to germinate. Put the seeds in water on a heat mat. After sprouting planted in pots. Germination was greater than 50%. Under lights now. Looking forward to planting outside in a few weeks."
Alexandra S. 6/3/2024
Asclepias speciosa review
"So far so good, lots of seedlings growing right in the ground and in a plant pot. I'm not sure the seeds in the fridge will sprout, but an extra seed packet was included in my order so it's not like I lost anything. Thanks!"
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