Sweetcorn Ambrosia Seeds
Zea mays ‘Ambrosia’ F1
£1.39
In stock
Free delivery on small seed packets when you spend £20 on seeds, otherwise £3.50 tracked.
Sweetcorn Ambrosia is a remarkable new SE hybrid that thrives in British summers! This variety produces excellent, well-filled 20cm cobs that are a delight on the plate. Ambrosia is known for its exquisite flavour and remarkable resilience to common corn rust and damp weather.
Average Packet Contents: 45 Seeds
Next: sow under cover from March See the growing calendar
When to grow it
- Sow under cover: March to May
- Direct sow: May to June
- Plant out: May to June
- Harvest: August to October
Growing Instructions for Ambrosia Sweetcorn Seeds
Unlock the sweetest summer corn with these simple steps:
Sowing
- Start indoors 6-8 weeks before the last frost, or direct sow outdoors when soil reaches 12°C (54°F).
- For indoor sowing: Use individual 3″ pots, sow one seed per pot at 1/2″ depth. Maintain soil temperature around 18°C (65°F).
- For direct sowing: Sow seeds 2cm deep in blocks of 3-4, spaced 40cm apart. Thin to the strongest seedling per block.
Planting Out
- Harden off seedlings gradually before transplanting outdoors after the last frost.
- Choose a sunny spot with well-drained soil. Amend with compost if needed.
Care
- Water regularly, especially during dry spells, keeping soil moist but not soggy.
- Provide support for tall stalks with bamboo canes or netting.
- Mulch around plants to retain moisture and suppress weeds.
- Fertilize with a balanced liquid fertilizer every 2-3 weeks.
Harvesting
- Harvest cobs when kernels are plump and bright yellow, and silks have turned brown and dry.
- Test for sweetness by pinching back a kernel – milky juice indicates perfection!
- Cut stalks just below the cob with a sharp knife. Enjoy fresh or store in the refrigerator for up to a week.






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