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Elements of Structural and Systematic Botany
B and T World Seeds' Botanical Glossary

B and T World Seeds' reference number: 3433

Flower or inflorescence: tiny YELLOW pouches
Height, in meters: 0.05
Height, in feet: 0.17
Calceolaria tenella sales history


Calceolaria tenella is included in the following
B and T World Seeds flowering plant categories.

9:   Alpine and Rock Garden Seed List (Hardy and Tender)
47:   Chilean Native Plant Tree and Shrub Seeds
53:   Bedding Plant Seed List
110:   South American Native Plant Seed List
130:   Ground cover Plant Seed List (see also List 133)
162:   Cushion Or Hummock Plant Seed List (Small and Larger)
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.
618:  Scrophulariaceae
825:  Calceolariaceae


Happier and Healthier Plants, Naturally

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


Germination guide for Calceolaria tenella

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.

Calceolaria tenella seeds will usually germinate in 14-21 days, even under good conditions germination may be erratic.
Normally will only germinate with light so surface sow. Sow Calceolaria tenella seeds on the surface of a Peaty seed sowing mix at about 22°C.

Outdoor varieties keep temperature below 60#F.


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