B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Helenium amarum is cold hardy
|Type of plant - annual or perennial, depending on climate
Flower or inflorescence:
br. YELLOW, profuse, ~ 2.5cm. dia.
oblance.-linear, - 4cm.
|Height, in meters: 0.3
Height, in feet: 0.99
|Helenium amarum sales history
Synonyms (alternative names) for Helenium amarum:
Common names for Helenium amarum:
|Bitterweed Sunny Boy,|
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.
|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|
|53||: Bedding Plant Seed List|
|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.|
|952||: Wholesale Selection|
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.
Helenium amarum seeds will usually germinate in 7-10 days.
Can be sown in situ. Reduce soil temperature at night.