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Approximately 1210.00 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 Rudbeckia triloba is cold hardy
USDA Zone:5 -20° to -10°F (-29° to -23.5°C)
|Type of plant - perennial
Flower or inflorescence:
BLACK, ORANGE, YELLOW
(stratify 1 month)
|Height, in meters: 1.5
Height, in feet: 4.95
|Rudbeckia triloba sales history
Common names for Rudbeckia triloba:
|Brown Eyed Susan, Brown-eyed Susan, Eastern Cone Flower, Filou, Three-lobed Coneflower,|
is included in the following
B and T World Seeds flowering plant categories.
|1||: Stock list|
|Our stock changes almost every day, with seeds arriving and being shipped all over the world.|
We only stock long lived seeds, except for a few species that are always in demand.
Seeds that are not in stock are acquired fresh when ordered.
|31||: House and Container Plant Seed List|
|43||: Herbaceous Border Plant Seed List|
|44||: Cut flowers Commercial and other Recommended Varieties|
|45||: Bee and Butterfly Attracting also Honey and Pollen Plant Seeds|
|86||: Natives of U.S.North East|
|87||: Natives of Central U.S.A.|
|89||: Natives of U.S.South East|
|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.|
|719||: North American Native Ethnobotanicals|
|Including medicinal, dye, fiber, food, construction, ritual|
Some knowledge about growing from seed is necessary to germinate even the easiest seeds.
Most seeds require humidity to germinate, even desert plants like
require that their growing medium remains moist until germination.|
Most seeds require oxygen to germinate, if buried too deep in their growing medium, or if the medium is too wet,
the seeds may not get the oxygen they require.
Rudbeckia triloba seeds will usually germinate in 5-21 days.
Fulgida see No. 14 (Pre-chill for 2 weeks).