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LEUCADENDRON dubium

Cederberg Conebush

Stock: Available

$4.50

Family: Proteaceae

Characteristics: Evergreen shrub 1.3m

Seeds per packet: 5

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An unusual small bushy Leucadendron to 1.3 metre in height producing closely overlapping small elliptic hairy leaves and densely hairy cones occurring terminally.

Both male and female plants produce masses of small bright yellow flowers during spring and early summer. The female plants flower-heads develop into attractive small rosy-pink cones resembling opening rosebuds. 
The flowers, cones and foliage are widely used in flower arrangements.

Leucadendrons are dioecious, separate male and female plants. Both the male and female flowers occur in dense heads at the branch tips with the male flowers the most attractive, only the female flower will produces cones and seed.

Prefers a well-drained soil. Tolerant of drought but performs best with moderate water all year round.

The best time to sow is usually autumn or spring when the temperature range is between 16-22°C and there is difference of day and night temperatures of around 12°C.
If your summer is hot and dry and your winter is moderate and wet the best time to sow is autumn.
In colder climates with less harsh summers it is usually better to sow in spring.

  1. The growing medium should be well draining but should remain damp between watering.
  2. Sow the seed the depth on the seed size. Vermiculite is a good medium to use to cover the surface as it helps retain moisture and controls the temperature. 
  3. Keep moist but not too wet as the seed may rot. Do not let the growing mix completely dry out. 
  4. Germination should occur in 21-60 days depending on the temperature and conditions. 

Pre-treatment of smoke is recommended:
Members of the Proteaceae are responsive to pre-treatment of smoke. Although germination will often occur without smoke treatment it has proved to be beneficial in reducing the number of days to germination and increasing germination rates in many species of the Proteaceae family 
Smoke treatments are simple and can be undertaken either by soaking the seed overnight or by applying to the surface after sowing, both provide good results. Smoke treatments available by clicking here.

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