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Genus: Helianthus
Species: argophyllus
Variety: 'Gold and Silver'
Family Name: Compositae/Asteraceae
Seed Catalogue No.: 672J
Hardiness: Hardy
Lifecycle: Annual
Suitable for: Summer Bedding, Cut Flowers
Colour: Yellow/Orange
Flowers: July, August, September, October
Lighting Conditions: Full Sun
Soil Type: Clay, Chalk, Sand, Loam
Soil Acidity: Alkaline, Neutral
Moisture: Well-drained
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Germination Instructions
Sow directly where they are to flower. Sow 6mm deep into finely prepared soil which has be raked to a fine tilth. Sow 2 seeds together every 45cm. Ideal temp. 20-30°C. Germination takes 10-14 days. When seedlings are large enough to handle thin out the weaker of the two plants, replant elsewhere if required. Water well until established. Can be started early indoors, sow into individual pots 6mm deep, place pots in a cold frame or greenhouse. Keep moist. Acclimatise and plant out after danger of frost has passed.
Growing Instructions
Easy to grow. Ideally placed near a fence or wall. Water deeply but infrequently. Feed sparingly. Will require staking or a support.
Cultivation Instructions
If you wish to harvest the seed protect the flower head with garden fleece to deter squirrels and birds, or cut the head and dry indoors. Seeds ready approx. 30-45 days after bloom.
When to Sow
Approximate number of seeds per packet: 45
Please note we pack the majority of our seeds by volume so the number of seeds indicated is only an approximation.
Helianthus argophyllus, 'Gold & Silver'