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Helianthemum canadense


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Helianthemum canadense

Elements of Structural and Systematic Botany

B and T World Seeds' Botanical Glossary

B and T World Seeds' reference number: 65712

The average, annual, minimum temperature zone where Helianthemum canadense is cold hardy
USDA Zone:7 0° to 10°F   (-17.5° to -12.5°C)
Type of plant - perennial
Flower or inflorescence: YELLOW, to 2.5cm. dia.
Fruit: ovoid 3 valved caps.
Foliage: obl.-ell., to 2.5cm.
Height, in meters: 0.5
Height, in feet: 1.65
Helianthemum canadense sales history

Synonyms (alternative names) for Helianthemum canadense:
Cistus canadensis, Helianthemum michauxii, Helianthemum rosmarinifolium, Heterameris canadensis, Lechea major, 

Common names for Helianthemum canadense:

Altinotu,  Frostweed,  Frostwort,  Longbranch Frostweed, 


Helianthemum canadense is included in the following
B and T World Seeds flowering plant categories.

2:   Wants
We are looking for seeds from this plant, if you know where we can find seeds or would like to be told when we have a source, please let me know.
9:   Alpine and Rock Garden Seed List (Hardy and Tender)
36:   Herb Seed List Culinary Medicinal Dye and Aromatic
Not all medicinal, dye or aromatic plants are edible, some are toxic if eaten and others are dangerous if applied to the skin. Please check uses for plants.
43:   Herbaceous Border Plant Seed List
86:   Natives of U.S.North East
87:   Natives of Central U.S.A.
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.
312:  Cistaceae


Happier and Healthier Plants, Naturally

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


Germination guide for Helianthemum canadense

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.

Helianthemum canadense seeds will usually germinate in 15-20 days.
Sow Helianthemum canadense seeds on the surface of a Well drained seed sowing mix at about 22°C.

Sow Helianthemum canadense seeds on the surface of moist compost, use a translucent cover to allow light in and to keep the compost humid and warm (do not place in direct sunlight)


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