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B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Primula vulgaris Hose-in-hose is cold hardy
USDA Zone:5 -20° to -10°F (-29° to -23.5°C)
|Type of plant - perennial
Flower or inflorescence:
YELLOW, flower in flower
|Primula vulgaris Hose-in-hose sales history
Common names for Primula vulgaris Hose-in-hose:
|Elizabethan Primrose, Primrose Hose-In-Hose, Primrose Hose-in-Hose,|
Primula vulgaris Hose-in-hose
is included in the following
B and T World Seeds flowering plant categories.
|9||: Alpine and Rock Garden Seed List (Hardy and Tender)|
|31||: House and Container Plant Seed List|
|43||: Herbaceous Border Plant Seed List|
|44||: Cut flowers Commercial and other Recommended Varieties|
|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.
Primula vulgaris Hose-in-hose seeds will usually germinate in 20-40 days, even under good conditions germination may be erratic.
Primula vulgaris Hose-in-hose seeds need to be "overwintered" before they will germinate.
Stratification; cold treatment or vernalization. Seeds of some species need just a couple of weeks, others 3 months. Seeds can be stratified in dampened peat or sand, in a plastic box or bag at 4°C or 5°C in a refrigerator. The seeds should not be frozen or in a wet medium. Very small seeds can be sown on the surface of their growing medium, in pots sealed in plastic bags, and kept in the 'fridge. Many vernalized seeds need light to germinate when they are sown in the "Spring".
P.Sinensis germinates in the dark. Cold stratify 3 weeks.