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Centranthus macrosiphon


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Centranthus macrosiphon

Elements of Structural and Systematic Botany

B and T World Seeds' Botanical Glossary

B and T World Seeds' reference number: 68074

The average, annual, minimum temperature zone where Centranthus macrosiphon is cold hardy
USDA Zone:7 0° to 10°F   (-17.5° to -12.5°C)
Type of plant - perennial
Flower or inflorescence: ROSE, LILAC tinge
Foliage: glossy GREEN
Height, in meters: 0.4
Height, in feet: 1.32
Centranthus macrosiphon sales history

Synonyms (alternative names) for Centranthus macrosiphon:
Kentranthus macrosiphon, 

Common names for Centranthus macrosiphon:

Annual Valerian, 


Centranthus macrosiphon is included in the following
B and T World Seeds flowering plant categories.

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
46:   Mediterranean Natives and Introduced Plant Seeds
53:   Bedding Plant Seed List
161:   Edible Flowers
Some flowers are poisonous if not cooked. Some are only edible while in bud. Identify and correctly prepare all flowers before eating. Do not eat flowers that have been sprayed with weedkiller or other chemicals.
680:  Valerianaceae


Happier and Healthier Plants, Naturally

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


Germination guide for Centranthus macrosiphon

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.

Centranthus macrosiphon seeds will usually germinate in 21-30 days.
Sow Centranthus macrosiphon seeds about 1mm deep in a Well drained seed sowing mix at about 15-20°C.

Can be sown in situ.


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