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

B and T World Seeds' reference number: 63699

The average, annual, minimum temperature zone where Gardenia jasminoides Hadley is cold hardy
USDA Zone:9 20° to 30°F   (-6.5° to -1°C)
Type of plant - shrub
Flower or inflorescence: frag. WHITE, large double rose
Foliage: glossy, to 15cm.lg.
Height, in meters: 1
Height, in feet: 3.30
Gardenia jasminoides Hadley sales history

Synonyms (alternative names) for Gardenia jasminoides Hadley:
Gardenia augusta 'Hadley', 


Gardenia jasminoides Hadley is included in the following
B and T World Seeds flowering plant categories.

31:   House and Container Plant Seed List
55:   Fragrant or Aromatic Flower or Foliage Plant Seeds
146:   Standard Trainable Plants
190:   Trees and Shrubs For Mediterranean Climates
191:   Tropical Shrubs and Trees
599:  Rubiaceae


Happier and Healthier Plants, Naturally

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


Germination guide for Gardenia jasminoides Hadley

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.

Gardenia jasminoides Hadley seeds will usually germinate in 25-30 days.
Sow Gardenia jasminoides Hadley seeds about 13mm deep in a Peaty seed sowing mix at about 22°C.

Use a lime free compost (Ericaceous).


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