Description
Unwins Sweetcorn Strong Star F1 Seeds
Sweetcorn Strong Star F1 is a vigorous, super-sweet hybrid bred for flavour, reliability and easy harvesting. Producing typically two large, sweet cobs per plant, Strong Star is an early cropper thats perfect for fresh eating, barbecues and blanching straight from the garden.
This F1 hybrid is easy to pick and performs well sown either under cover or directly outdoors when conditions are right. The tall, strong plants also attract pollinators, making them a welcome addition to vegetable plots and wildlife-friendly gardens.
Pack contains 35 seeds.
Key Features
Super-sweet F1 hybrid sweetcorn
Typically yields two large cobs per plant
Vigorous, early cropper harvest AugSep
Easy to pick and excellent flavour for roasting, boiling or BBQ
Attracts and supports pollinators
Pack quantity: 35 seeds
How to Grow Sweetcorn Strong Star F1
Sowing time: March May (indoors or outdoors)
Sowing depth: 2.5 cm
Germination: 12 weeks
Time to harvest: approx. 4 months (harvest AugSep)
Sow indoors (MarchApril) in pots or modules and transplant out after hardening off, or sow direct outside from late AprilMay once soil has warmed. Plant in blocks rather than single rows to ensure good pollination and full, even cobs.
Space plants roughly 90 cm apart in rows 90 cm apart, giving a final plant height of around 1.8 m. Keep plants well watered during dry spells and feed with a balanced fertiliser. Remove suckers only if required; strong, sturdy stems aid support for large cobs.
Harvest when silks dry and the kernels are plump and milkytest by pressing a kernel with your thumbnail.
Growing Information (Specification)
Plant spacing: 90 cm
Row spacing: 90 cm
Plant height: 1.8 m
Sowing depth: 2.5 cm
Sow flower: ~4 months
Germination: 12 weeks
Spread: 90 cm
Pack quantity: 35 seeds
Colour: Yellow
Frequently Asked Questions
Q: Can I sow Strong Star outdoors?
A: Yes you can sow direct from late AprilMay when soil is warm. For earlier crops, start indoors in MarchApril and transplant after hardening off.
Q: How do I ensure good cob set?
A: Plant in blocks (not single long rows) to improve pollination. Keep well watered during tassel and silk formation.
Q: How many cobs per plant?
A: Typically two large cobs per plant under good conditions.
Q: When do I harvest?
A: Harvest in AugustSeptember when silks dry and kernels are milky. Pick promptly for best flavour.
Q: Will this attract wildlife?
A: Yes the flowers attract pollinators and beneficial insects to the plot.
Perfect For
Home growers and allotments
BBQs and summer salads
Fresh-eating, roasting or boiling
Growers wanting a reliable, early sweetcorn variety
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