Click a button to add that quantity to your cart
seed quantities can be multiplied when added to the cart
Approximately 25.00 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.
B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Silphium mohrii is cold hardy
|Type of plant - perennial
Flower or inflorescence:
bright CREAM-YELLOW, ~ profuse, July - Nov.
hirsute lvs., branching stems, clumping habit
|Silphium mohrii sales history
is included in the following
B and T World Seeds flowering plant categories.
|43||: Herbaceous Border Plant Seed List|
|44||: Cut flowers Commercial and other Recommended Varieties|
|87||: Natives of Central U.S.A.|
|185||: Plant Species whose germination is improved by Smoke|
|"Smoke" contains a butenolide compound produced by certain plants when heated, it speeds up or starts the germination of seeds from many different genera.|