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Half gram of Asclepias cordifolia seeds from northern California. Seeds collection occurred in the summer of 2023. Germination difficulty is high. Weekly freeze thaw cycle recommended to prepare the seed to germinate. Germination rate below 10% is probable despite viable seed being over 90% . Half gram packet is approximately 25 seeds +/-5 seeds. 

Asclepias cordifolia, Heartleaf milkweed seed

PriceFrom $3.00

    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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