Unwins Sunflower American Giant F1 Seeds
Unwins Sunflower American Giant F1 Seeds Unwins Sunflower American Giant F1 Seeds Unwins Sunflower American Giant F1 Seeds Unwins Sunflower American Giant F1 Seeds
Unwins Sunflower American Giant F1 Seeds
Unwins Sunflower American Giant F1 Seeds
Unwins Sunflower American Giant F1 Seeds
Unwins Sunflower American Giant F1 Seeds
Unwins Sunflower American Giant F1 Seeds

Unwins Sunflower American Giant F1 Seeds

 

Unwins Sunflower American Giant F1 Seeds - giant in name and in reality. These enormous flowers grow up to 5m tall.



American Giant will give you big flowers on lofty plants. These quick growing sturdy stemmed plants are also very sturdy, they do not require staking, simply plant, water and feed and watch it grow!



This variety is also a holder of the prestigious RHS Award of Garden Merit. It's also pollinator friendly, and is ideal for wildlife gardens.

 

Want to learn more about F1 seeds? Read our article

 

 

  • F1 Hybrid variety

  • RHS AGM

  • Prefers full sun

    Sowing Time
    Sow Apr-May
    Flowering Time
    Flowers Jul-Oct
    Quick To Grow
    Quick to Grow
    Product Highlights
    Big flowers on lofty plants
    Quick growing
    With sturdy stems, American Giant doesn't need staking- just plant, water and feed and watch it grow.
    Product Specification:
    SKU: 30210446
    Plant Spacing:
    45cm
    Plant Height:
    5m
    Sowing Depth:
    10-15mm
    Sow Time To Flower:
    3-5 months
    Sow Time To Germination:
    1-2 weeks
    Spread:
    45cm
    Pack Quantity:
    12 seeds
    Colour:
    Yellow
    Tips & Advice:
    Sowing Indoors
    Fill a small (7-8cm) pot with seed compost, shake and level firm with the base of another pot. Water well with a fine rose. Sow seeds individually into compost, pushing seeds to 1cm deep. Place in a propagator at 15-20°C or cover pot with cling film and leave in a warm room.
    Growing On
    When shoots appear, remove cling film. Keep seedlings in a light position, but shade from direct sunlight. Grow on in a minimum temperature of 10°C.
    Planting Out
    Gradually accustom plants to outside conditions for 2-3 weeks before planting out when risk of frost has passed. Water well until established.
    Sowing Outdoors
    Sow seeds in pre-watered soil at a depth of 1.5cm in their flowering positions. Keep soil moist until seedlings are established. Thin out as required.
    Aftercare
    Water well, especially in warm weather and feed regularly when flowering starts.

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    Sow Indoors
    Sow Outdoors
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