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Heracleum dulce


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Heracleum dulce

Elements of Structural and Systematic Botany

B and T World Seeds' Botanical Glossary

B and T World Seeds' reference number: 436368

Type of plant - perennial
Flower or inflorescence: WHITE in v. large heads
Foliage: large, divided
Height, in meters: 2.5
Height, in feet: 8.25
Heracleum dulce sales history
Parts of Heracleum dulce are considered toxic.


Heracleum dulce is included in the following
B and T World Seeds flowering plant categories.

43:   Herbaceous Border Plant Seed List
72:   Russian Native and Introduced Plants (Central)
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.
231:  Apiaceae
706:  Umbelliferae


Happier and Healthier Plants, Naturally

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


Germination guide for Heracleum dulce

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.

Heracleum dulce seeds will usually germinate in 30-90 days.
Sow Heracleum dulce seeds about 6mm deep in a Well drained seed sowing mix.

Heracleum dulce 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.

Sow in situ.


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