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Protea humiflora


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Protea humiflora

Elements of Structural and Systematic Botany

B and T World Seeds' Botanical Glossary

B and T World Seeds' reference number: 17658

The average, annual, minimum temperature zone where Protea humiflora is cold hardy
USDA Zone:9 20° to 30°F   (-6.5° to -1°C)
Type of plant - shrub
Flower or inflorescence: bowl shaped, dark bracted, within leaves
Fruit: (rodent pollinated)
Foliage: GREY to PURPLISH pointed lvs., sprawling shrub...sow in autumn
Height, in meters: 1
Height, in feet: 3.30
Protea humiflora sales history


Protea humiflora is included in the following
B and T World Seeds flowering plant categories.

9:   Alpine and Rock Garden Seed List (Hardy and Tender)
18:   Australian and African Proteaceae
43:   Herbaceous Border Plant Seed List
161:   Edible Flowers
Some flowers are poisonous if not cooked. Some are only edible while in bud. Identify and correctly prepare all flowers before eating. Do not eat flowers that have been sprayed with weedkiller or other chemicals.
191:   Tropical Shrubs and Trees
580:  Proteaceae


Happier and Healthier Plants, Naturally

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


Germination guide for Protea humiflora

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.

Protea humiflora seeds will usually germinate in 30-90 days, even under good conditions germination may be erratic.
Sow Protea humiflora seeds about 6mm deep in a Peaty seed sowing mix at about 22°C.

Sow immediately.


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