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Townsendia parryi bs


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Townsendia parryi bs

Elements of Structural and Systematic Botany

B and T World Seeds' Botanical Glossary

B and T World Seeds' reference number: 77099

The average, annual, minimum temperature zone where Townsendia parryi bs is cold hardy
USDA Zone:5 -20° to -10°F   (-29° to -23.5°C)
Type of plant - biennial or perennial, depending on climate
Flower or inflorescence: VIOLET-BLUE, invol. to 6cm. dia.
Foliage: spath.-10cm., bas. ros....pubesc. plant
Height, in meters: 0.35
Height, in feet: 1.15
Townsendia parryi bs sales history


Townsendia parryi bs 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.
9:   Alpine and Rock Garden Seed List (Hardy and Tender)
43:   Herbaceous Border Plant Seed List
87:   Natives of Central U.S.A.
88:   Natives of U.S.North West
94:   Natives of Rocky Mountain Area 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.
246:  Asteraceae
708:  Compositae


Happier and Healthier Plants, Naturally

plant-fungus communities, for improved nutrition, and disease and drought resistance.


Germination guide for Townsendia parryi bs

These notes are a general guide, it is recommended to check specialist literature for some of the more unusual seeds in our lists.
Seed Germination Theory and Practice by Professor Norman C. Deno
Some knowledge about growing from seed is necessary to germinate even the easiest seeds. Most seeds require humidity to germinate, even desert plants like Welwitschia mirabilis 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.
Some seeds need to be in the light (surface sown) or in the dark (sown deep enough to receive little or no light) to germinate. A rule of thumb is to cover the seeds their own width deep in the growing medium, but some seeds prefer to be sown much deeper, and some fairly large seeds like to be surface sown (or higher).
Many seeds germinate best at certain temperatures, some will germinate at a comparatively wide range of temperatures, yet others need fluctuating temperatures.
Almost all seeds are waiting in a dormant state for some outside stimulus to break their dormancy, some just need sufficiently high ambiant humidity, others need scarification, vernalization or to be passed through the intestines of an animal.

Townsendia parryi bs seeds will usually germinate in 30-90 days, even under good conditions germination may be erratic.
Sow Townsendia parryi bs seeds about 2mm deep in a Well drained seed sowing mix at about 15°C.

Townsendia parryi bs seeds will mostly germinate as the weather warms up in Spring, some may germinate during the Summer or Autumn but are more likely to stay dormant until the following Spring.


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