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Saxifraga umbrosa

Elements of Structural and Systematic Botany

B and T World Seeds' Botanical Glossary

B and T World Seeds' reference number: 14232

The average, annual, minimum temperature zone where Saxifraga umbrosa is cold hardy
USDA Zone:7 0° to 10°F   (-17.5° to -12.5°C)
Type of plant - evergreen perennial
Flower or inflorescence: WHITE, small YELLOW - RED spots
Foliage: obl. ell. to 3x2cm.
Height, in meters: 0.3
Height, in feet: 0.99
Saxifraga umbrosa sales history

Common names for Saxifraga umbrosa:

London Pride,  Rockfoil,  Schatten-Steinbrech,  St. Patrick's Cabbage, 


Saxifraga umbrosa is included in the following
B and T World Seeds flowering plant categories.

9:   Alpine and Rock Garden Seed List (Hardy and Tender)
43:   Herbaceous Border Plant Seed List
48:   Polish Native and Introduced Plants
80:   South West European Native and Introduced Plants
165:   Shady Condition Plant Seed List
614:  Saxifragaceae
720:   Fire Resistant Plants
Different classes of resistance: some grow back, some don't burn, a few have highly inflammable leaves that leave the rest of the plant intact, some trees don't have lower branches.


Happier and Healthier Plants, Naturally

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


Germination guide for Saxifraga umbrosa

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.

Saxifraga umbrosa seeds will usually germinate in 15-60 days, even under good conditions germination may be erratic.
Sow Saxifraga umbrosa seeds about 1mm deep in a Well drained seed sowing mix at about 22°C.

Saxifraga umbrosa 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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