Brunette
Cosmidium Seeds
a.k.a. Greenthread
Thelesperma burridgeanum syn. Cosmidium burridgeanum
full sun to part shadeA care-free favorite since the 19th century, Brunette cosmidium produces abundant, striking flowers ringed in golden-yellow with contrasting chocolate centers. Airy, fernlike foliage. Reaches 18-24 in. tall and blooms from June until October. Packet is ½ gram, about 150 seeds.
Growing Brunette Cosmidium Seeds
Direct sow into prepared seedbeds that have been cleared of weeds and had the top 1 in. of the soil loosened. Rake seed in. Press into soil by walking over the area. Keep moist until germination. Can be started indoors in cell packs or flats.
U.S. Shipping Rates
Free shipping on U.S. orders over $70.00.
Free priority shipping on U.S. orders over $200.00.
Standard U.S. shipping is $7.99.
Priority U.S. shipping is $11.99.
International Shipping Rates
Shipping to Canada is $17.99.
International shipping to all other countries is $19.99.
We guarantee all the seeds we sell for one full year from the date of purchase. If you are unsatisfied with any seeds purchased from Swallowtail Garden Seeds, we will issue a refund. For customers in the U.S., we can send one-time replacements or issue a refund.