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Grevillea petrophilioides ssp magnifica

Elements of Structural and Systematic Botany

B and T World Seeds' Botanical Glossary

B and T World Seeds' reference number: 17405

The average, annual, minimum temperature zone where Grevillea petrophilioides ssp magnifica is cold hardy
USDA Zone:9 20° to 30°F   (-6.5° to -1°C)
Type of plant - shrub
Flower or inflorescence: PINK, to 8x4cm. cylindrical racemes
Foliage: to 20x6cm., divided
Height, in meters: 4
Height, in feet: 13.20
Grevillea petrophilioides ssp magnifica sales history

Synonyms (alternative names) for Grevillea petrophilioides ssp magnifica:
Grevillea magnifica ssp magnif, 

Common names for Grevillea petrophilioides ssp magnifica:

Magnificent Granite Grevillea,  Pink Pokers,  Pink Silk Grevillea, 


Grevillea petrophilioides ssp magnifica is included in the following
B and T World Seeds flowering plant categories.

15:   Australian Natives and Introduced Species
18:   Australian and African Proteaceae
44:   Cut flowers Commercial and other Recommended Varieties
57:   Arid and Dry Condition Plant Seed List
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.
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 Grevillea petrophilioides ssp magnifica

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.

Grevillea petrophilioides ssp magnifica seeds will usually germinate in 20-25 days.
Normally will only germinate with light so surface sow. Sow Grevillea petrophilioides ssp magnifica seeds on the surface of a Well drained seed sowing mix at about 25°C.

Soak Grevillea petrophilioides ssp magnifica seeds in warm water, which should be changed daily. Most seeds swell up when they are soaked, those that do should be sown immediately. Seeds that don't swell can be gently scarified.

(Soak for 24 hours).


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