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Verbascum longifolium


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Verbascum longifolium

Elements of Structural and Systematic Botany

B and T World Seeds' Botanical Glossary

B and T World Seeds' reference number: 71406

The average, annual, minimum temperature zone where Verbascum longifolium is cold hardy
USDA Zone:7 0° to 10°F   (-17.5° to -12.5°C)
Type of plant - bulb or plant, depending on season
Flower or inflorescence: GOLDEN, cor. 2.5-3.5cm. dia.
Foliage: ell.-obl, to 50x15cm.
Height, in meters: 1.5
Height, in feet: 4.95
Verbascum longifolium sales history
Parts of Verbascum longifolium are considered toxic.

Synonyms (alternative names) for Verbascum longifolium:
Verbascum pannosum, 


Verbascum longifolium is included in the following
B and T World Seeds flowering plant categories.

43:   Herbaceous Border Plant Seed List
78:   South Eastern European Native and Introduced Plants
102:   Eastern European Native Plant Seed List
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.
618:  Scrophulariaceae


Happier and Healthier Plants, Naturally

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


Germination guide for Verbascum longifolium

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.

Verbascum longifolium seeds will usually germinate in 14-30 days.
Sow Verbascum longifolium seeds about 2mm deep in a Well drained seed sowing mix at about 15°C.

Can be grown in situ


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