Description
This kit includes Banksia hookeriana seeds (10 seeds) + 01 Smoke Seed Primer Disc.
Smoke Seed Primer is ideal for treating seeds of Proteas. Many wildflower seeds are dormant and need very specific conditions for germination. The smoke seed primer solution contains a combination of natural substances that overcome dormancy and stimulate seed germination. The degree of germination success varies with the species, but on average, treated seeds give at least twice the number of seedlings that untreated seeds do. (Source: proteaseeds)
Banksia hookeriana, commonly known as Hooker’s banksia, is a striking shrub species belonging to the genus Banksia within the Proteaceae family. It is native to the sandy, nutrient-poor plains of southwestern Western Australia. This species is highly prized in horticulture and the cut flower industry for its spectacular and vibrant floral display.
The plant typically grows as a dense, rounded shrub, reaching heights of up to 4 meters and a similar width. Its most notable features are its long, narrow, and deeply serrated leaves and its large, cylindrical flower spikes. These spikes, which can be up to 12 cm long and 10 cm wide, are initially creamy white and gradually open to reveal a stunning bright orange or golden yellow color. They bloom over the cooler months, from late autumn to spring, and are a valuable source of nectar for native birds, particularly honeyeaters. The spent flowers develop into woody seed pods, or follicles, which store seeds. Banksia hookeriana is a “reseeder” species, meaning that it is killed by fire, but the heat from the fire triggers the release of its seeds, allowing the plant to regenerate.
Germination Guide
🌍 Southwest of Western Australia, Geraldton Sandplains and Swan Coastal Plain
Moderate
Banksia hookeriana, commonly known as Hooker's Banksia, is an Australian native shrub belonging to the Proteaceae family, native to the sandy, well-drained soils of Western Australia. This serotinous species has evolved to respond to bushfire smoke signals and produces striking orange-gold flower spikes that attract honeyeaters. Germination can be significantly improved with smoke treatment (Smoke Seed Primer), which simulates the natural fire-triggered cues; however, seeds do not strictly require smoke treatment and will eventually germinate under appropriate warm, moist conditions.
Germination
Germination time
Expect germination in
21 – 49 days
Temperature
Min 18°C
Ideal 20°C
Max 25°C
Substrate moisture
💧💧 High
Sowing depth
Lightly covered
Seed Pre-treatment
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💧
Soaking — 24 hours
Immerse in Smoke Seed Primer solution for 18-24 hours, or in warm rainwater for 24 hours if smoke primer is unavailable. Alternative: soak in warm water at 18-22°C until swollen.
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🔥
Smoke/Fire treatment
Smoke Seed Primer disc treatment is recommended to improve germination rates and break seed dormancy. Smoke treatment enhances germination but is not strictly essential for this species.
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📋
Additional notes
Seeds immersed in Smoke Seed Primer solution (made by dissolving disc in 50ml water) for 18-24 hours in rainwater, or alternative warm water treatment at 18-22°C until swollen. Sow immediately after treatment for best results.
Substrate & Container
Recommended substrate
Peat with perlite (60/40 ratio) or commercial seed substrates, peat pots, or vermiculite. Ensure excellent drainage.
Recommended container
Clear plastic container with transparent lid, or seed trays covered with plastic to maintain humidity
Growing Tips
Maintain well-lit location without direct sun exposure. Open container lid every 2-3 days to check moisture levels and exchange air. Keep substrate moist but never waterlogged; excess moisture can cause seed rot. Use artificial lighting (LED or fluorescent) if natural light is insufficient. Do not apply phosphorus-rich fertilizers during or after germination, as Banksia species are highly sensitive to phosphorus. Patience is essential—some seeds may remain dormant for extended periods and germinate outside the normal window. Once seedlings are 5-10 cm tall with true leaves established, carefully transplant to individual containers with well-draining sandy soil and gradually acclimate before final planting. Avoid disturbance of seedlings during germination phase.
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