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Helianthus annuus 'Solar Eclipse'


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Key information

Plant type

Hardy annual

Flower colour



Flowers, Attractive to wildlife



Skill level


Helianthus annuus 'Solar Eclipse'

Plant details

Sunflowers are among the easiest and most rewarding annuals to grow. They're also some of the tallest, with many varieties producing huge, saucer-shaped yellow flowers that tower over other plants in the border.

Helianthus annuus 'Solar Eclipse' is an unusual looking sunflower. Each flower has a central brown disc flanked by a ring of pure yellow petals with a large splash of red, giving the appearance of a ring of fire. It's ideal for adding height to the border, and makes a good cut flower. 

Sow seed in individual 10cm pots of moist seed compost in April to May, cover with cling film and place on a sunny windowsill or greenhouse bench. Remove the cling film once the seeds have germinated, and water plants regularly, allowing the water to drain. Pot on into larger pots with multipurpose compost, before eventually planting outside once all risk of frost has passed. 

For best results enrich the soil with plenty of well-rotted manure or garden compost before planting out Helianthus annuus 'Solar Eclipse', and water plants regularly. You may need to stake plants in exposed gardens.

Family: Asteraceae

Genus: Helianthus

Species: annuus

Cultivar: Solar Eclipse

Plant type: Hardy annual

Flower colour: Yellow

Foliage colour: Dark green

Feature: Flowers, Attractive to wildlife

Sun exposure: Full sun

Soil: Well-drained/light, Clay/heavy

Hardiness: Hardy

Skill level: Beginner

Height: 250cm

Spread: 30cm

Time to plant seeds: March to May

Flowering period: July to September

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