Leptospermum 'Tantoon Tea Tree' Seeds

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leptospermum polygalifolium ssp cismontanum 'Tantoon Tea Tree' - 300-500x Seeds


Leptospermum polygalifolium subsp. cismontanum is common in near-coastal forests between Fraser Island in Queensland and Gosford in New South Wales. It often grows on sandstone but is also found in coastal swamps, old dunes and hillsides.

Leptospermum polygalifolium subsp. cismontanum, commonly known as tantoon, is a subspecies of flowering plant in the family Myrtaceae and is endemic to near-coastal areas of eastern Australia. It is a shrub or small tree with elliptical leaves and white flowers in spring.

  • Frost hardy (will tolerate frosts to -7 C )
  • Suitable hedge or screen plant.
  • Resistant to salt spray.
  • Suitable for planting in tropical area

Prefers well-drained soils and is drought tolerant.

Seed Starting Method

Leptospermum seeds come in a range of sizes from very tiny to a few millimeters. As a general rule Leptospermum seed should be sown to the depth of the seed or pressed into your potting mix and covered very lightly. 


Although most Australian native/ endemic seed can be sown throughout the seasons across Australia it is advisable to sow in Spring or Summer in colder regions. The optimum temperate to ensure the best possible germination rate for sowing many Australian native/ endemic species is around 18-22°C.  

Sowing Depth

See above.
The seed will lodge in the pores of your seed starting mix once misted with water.

Growing Season

Spring & Autumn
Place in a warm sunny position and keep moist to avoid drying out.

Germination Time 10-30 days at around 18-22°C.
Hardiness Hardy 
Plant Spacing  N/A
Plant Height Small to medium shrub/tree
Planting Position Partial or full sun
Days Until Maturity  N/A
Growing tips

Seeds of many native/endemic species require specific conditions that mimic their natural habitat or specially formulated seed treatments, to break dormancy. 

Do not be to quick to discard pots that haven't yet shown signs of seed germination. Seeds will often lay dormant until conditions are optimal and will produce amazing results, long after they have been forgotten.

Pre-treatment of smoke is recommended for most native species.

Research shows that many members of this species are responsive to pre-treatment of smoke, which mimocs an Australian bushfire. Although germination will may occur without smoke treatment it has proved be beneficial in reducing the number of days to germination and increasing germination rates of this species.

Smoke treatments are simple and can be undertaken by applying to the surface after sowing.

Click this link to view our seed starting treatments specially designed for Australian Natives


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