PODALYRIA calyptrata

Although seed can be sown most of the year in many parts of Australia seed is generally best sown in spring or autumn in temperate climates, avoid the coldest and hottest months of the year. The optimum germination temperature for germination is around 18-22°C.

Podalyria seeds germinate readily, however they do have a hard outer coating which is impervious to water and generally germination will normally not occur unless the seed is scarified by abrading or pre-treated with boiling water first.

Hot water treatment is recommended for this species.

1. Place the seed in a container and pour in just boiled water and allow to soak overnight.
2. The swollen seed can then be sown, re-treat seeds that have not swollen.
3. Sow seed on surface of a porous seed raising mix. The seed will lodge in the the pores of the mix once watered.
4. Cover with seed raising mix to a depth of the width. Do not bury the seed to deeply.
5. Place in a warm shaded or semi shaded position to avoid dying out.
6. Keep warm & moist, avoid drying out or waterlogging the growing mix.
7. Germination should occur in 10-21 days @ 18-22°C

General note: Seeds of many plants are dormant and require specific conditions or pre-treatment for germination.
Do not be too hasty to discard seed that does not germinate, seeds will often lay dormant until the conditions are similar to their natural requirements for germination to occur. Containers put to one side will often surprise long after they were discarded.

Wikipeia

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