Ornamental Sunflower ‘Multicolor’ (Helianthus annuus) is a vibrant annual variety, prized for its tall, upright stems and large, single-petalled flowers in a stunning mix of colours, all with striking dark centres. Reaching up to 150cm, these sunflowers are ideal for creating dramatic cut flower arrangements that bring a burst of summer colour indoors. They are easy to grow and will attract pollinators to your garden. This packet contains approximately 30 seeds.
🌱 Sow directly outdoors Apr-Jun. Plant in well-drained soil in full sun.
☀️ Requires full sun. Essential for strong stems and prolific flowering.
💧 Water regularly, especially during dry spells and as flowers develop.
📏 Tall, upright plant. Perfect for the back of borders or as a cut flower patch.
Bullet Technical Data
🌱 Depth: 1.5 cm
📅 Sow: April to June
☀️ Light: Full sun
🌡️ Germ: 10-14 days
📏 Height: Up to 150 cm
🪴 Space: 30-45 cm apart
⏳ Flowers: Mid-summer to early autumn
🪙 Seeds: Approx. 30 seeds
Tips & Tricks
For a longer cutting season, sow successional batches every few weeks. Deadhead spent flowers to encourage more blooms. For the straightest stems, plant in a sheltered but sunny spot. The flowers make excellent, long-lasting cut arrangements.
Summer Sunflower Bouquet
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Cut stems early in the morning when flowers are just opening.
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Sear the cut stem ends in boiling water for 20 seconds, then place immediately in deep, fresh, cool water.
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Arrange with complementary foliage like eucalyptus or grasses for a stunning, rustic display.
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Change the water every two days to prolong vase life.
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