Gladalan White Onion grows round, white bulbs with smooth and crisp skin that store exceptionally well. This variety matures in the middle of the season, so you’ll have a steady supply of fresh onions to enjoy any time you want them. Or, if you prefer fresher and lighter tastes, you can grow them as bunching spring onions too! Whether you’re growing these onion seeds in a garden bed or a container garden, they couldn’t be easier to care for. All they need is some sunlight and regular watering, and you’ll enjoy homegrown onions in no time. Explore Mr Fothergill’s full selection of vegetable seeds for more great options. Are you looking for easy additions to your kitchen garden? Try our herb seeds or sprouts and microgreens seeds to create a garden full of fresh flavours.

How to Sow Seeds

Growing notes: Sow your Gladalan White onion seeds in autumn, around 5mm (1/4in) deep. Onions prefer rich, well-drained soil, so it’s a good idea to improve the soil with organic material and a pre-planting fertiliser to give them a strong start. Plant them thinly in rows, covering them with fine soil or compost. Keep the soil moist but not waterlogged, and thin the seedlings early to 2cm (1in) apart, then to 10cm (4in) once they’re established. Allow 30cm (12in) between rows to give the plants room to grow. Keep the plants in an open, sunny position, and seedlings should emerge in 10-14 days. Water regularly and keep their growing area weed-free for best results. Harvest your onions when the tops begin to yellow and fall over, typically around mid to late summer, depending on when they were sown.

Growing Needs

Sunlight: Full sun
Water requirement: Moderate

Plant Characteristics

Suitable for small spaces: Yes
Suitable for pots / containers: Yes
Easy to grow: Yes
Easy to Fast: Yes