Sunflower ‘Bronze Shades’ Seeds
Botanical Name: Helianthus annuus
- Taller-growing novelty garden and cut flower variety.
- Multiple-branching habit producing numerous blooms per plant.
- Wide colour range—from light lemon to rich red and everything between.
- Ideal for mixed borders, cottage gardens, and cutting.
- Flowers quickly—around 7–8 weeks from sowing in warm conditions.
- Bee- and beneficial-insect friendly.
- Best sown spring to early autumn in full sun.
Plant Details:
- Plant Type: Warm-season annual
- Plant Height: Approx. 180 cm
- Flower Type/Colour: Branching mix; lemon, amber, bronze, red tones
- Pollen: Pollen-bearing (bee-friendly)
Sowing Information:
- Sow When:
- Temperate: September–January
- Subtropical: August–February
- Tropical: March–September (avoid peak wet)
- Cool: October–December
- Arid: September–January (with irrigation)
- Germination: 7–10 days @ 18–25°C
- Depth: 10–15 mm
- Position: Full sun
- Sow Where: Direct sow; taproot dislikes disturbance
- Soil Type: Fertile, well-drained soil enriched with compost
- Spacing: 40–50 cm between plants; rows 60–90 cm apart (allow for branching)
Growing Tips:
- Water deeply at longer intervals to encourage strong taproots.
- Stagger sowings every 2–3 weeks for a longer colour display.
- Protect seedlings from birds and snails.
- Mulch to conserve moisture and reduce weeds.
- For cutting, harvest stems as petals just begin to unfurl.
Harvest:
Begin cutting around 7–8 weeks after sowing. Branching habit extends the picking window; remove spent blooms to encourage more flowers.
When to Sow Sunflower ‘Bronze Shades’ in Your Climate
Climate Zone | Best Planting Time | Tips |
---|---|---|
Temperate | September–January | Sow after last frost; allow space for branching. |
Subtropical | August–February | Great performance in warm, frost-free months. |
Tropical | March–September | Avoid peak wet; ensure good drainage. |
Cool | October–December | Choose sunny, sheltered positions. |
Arid | September–January | Mulch well; deep irrigation helps in heat. |
Find out more about how sunflowers support biodiversity here.
Click here to find our detailed Sunflower Grow Guide for Australia.