B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Helianthus annuus Gloriosa Red is cold hardy
USDA Zone:7 0° to 10°F (-17.5° to -12.5°C)
Flower or inflorescence:
RED select, to 20cm.dia
|Height, in meters: 2
Height, in feet: 6.60
|Helianthus annuus Gloriosa Red sales history
Helianthus annuus Gloriosa Red
is included in the following
B and T World Seeds flowering plant categories.
|44||: Cut flowers Commercial and other Recommended Varieties|
|53||: Bedding Plant Seed List|
|90||: Cereals, Legumes, and other Food and Oilseed Plants|
|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.|
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.
Helianthus annuus Gloriosa Red seeds will usually germinate in 10-14 days.
Can be sown in situ.