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Echium boissieri


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Echium boissieri

Elements of Structural and Systematic Botany

B and T World Seeds' Botanical Glossary

B and T World Seeds' reference number: 407702

The average, annual, minimum temperature zone where Echium boissieri is cold hardy
USDA Zone:9 20° to 30°F   (-6.5° to -1°C)
Type of plant - biennial, the leaves form a low rosette the first year, growing vertically and flowering the following spring.
Flower or inflorescence: CREAM-PINK to ROSE, with long RED stamens, in long dense spike
Foliage: -25cm. lin.-lance., GREY bas. rosette, densely hairy plant
Height, in meters: 2.5
Height, in feet: 8.25
Echium boissieri sales history
Parts of Echium boissieri are considered toxic.

Common names for Echium boissieri:

Candle Bugloss,  Viborea gigante, 


Echium boissieri is included in the following
B and T World Seeds flowering plant categories.

43:   Herbaceous Border Plant Seed List
80:   South West European Native and Introduced Plants
131:   Toxic Plants
Some of the deadliest known poisons are found in plants. Some major food plants, eaten by millions of people every day, have toxic parts.
268:  Boraginaceae
700:   Humming Bird Nectar Plants


Happier and Healthier Plants, Naturally

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


Germination guide for Echium boissieri

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.

Echium boissieri seeds will usually germinate in 7-14 days.
Sow Echium boissieri seeds about 6mm deep in a Well drained seed sowing mix at about 20°C.

Can be sown in situ.


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