Spring Onion Seeds - Marshalls Garden
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This guide is for home gardeners seeking a reliable and fast-growing spring onion variety. The key benefit is quick cropping with crisp, succulent stems ideal for salads and garnishes. A caveat is that overwintering may require cloche protection in severe weather. Marshalls Garden Spring Onion Seeds - White Lisbon are valued for their speed, flavor, and reliability, producing crisp white stems with a clean, sharp bite. They are hardy, fast-maturing, and suitable for successional sowing for a continuous harvest.
All features
| Model Part Number | 5011000330390 |
|---|---|
| Brand | Marshalls Garden |
Extended Product Information
FAQs
When is the best time to sow Spring Onion White Lisbon seeds?
For a spring/summer crop, sow from early spring onwards. For an overwintering crop, sow in September or October.
How deep should I sow the seeds?
Sow seeds about 1cm deep in well-prepared soil.
Can I grow these in pots?
Yes, White Lisbon spring onions grow well in pots or containers, provided they have good drainage and consistent moisture.
How long does it take for the spring onions to be ready for harvest?
Typically, they are ready to harvest 6-8 weeks after sowing.
What does 'successional sowing' mean for these seeds?
It means sowing small batches of seeds every 2-3 weeks to ensure a continuous supply of fresh spring onions throughout the growing season, rather than all maturing at once.
Do I need to protect them over winter?
While hardy, overwintering crops may benefit from cloche or fleece protection during periods of severe frost or heavy snow.
What is the main advantage of the White Lisbon variety?
Its main advantages are its speed of growth, crisp texture, sharp flavor, and reliability, making it a popular choice for gardeners.
Troubleshooting
Seeds not germinating
Ensure soil is moist but not waterlogged, and temperatures are suitable for germination (around 10-20°C). Check seed depth; sowing too deep can hinder emergence.
Stems are thin and weak
Ensure adequate watering and fertile soil. Consider a light feed with a balanced liquid fertilizer if growth seems slow. Thin seedlings to prevent overcrowding.
Bolting (going to seed prematurely)
This can be triggered by stress, such as drought or sudden temperature changes. Maintain consistent moisture and provide shade during extreme heat if possible.
Pests like onion fly or slugs
Use netting or fleece to deter onion flies. Beer traps can be effective for slugs. Companion planting with carrots may help deter onion flies.
Pros and Cons
Pros
- Fast maturation provides quick harvests.
- Overwintering capability ensures an early spring crop.
- Crisp texture and sharp flavor are highly desirable.
- Reliable performance makes it suitable for beginners.
- Versatile for various culinary applications.
Cons
- May require cloche protection for overwintering in harsh climates.
- As seeds, they require proper sowing and germination conditions.
- Individual stem size might be smaller compared to some other onion types.
Setup, Compatibility & Care
Sowing: Sow seeds directly into well-drained soil in a sunny position. For spring and summer crops, sow from early spring onwards, thinly, about 1cm deep. For an overwintering crop, sow in September or October. Successional sowings every 2-3 weeks will ensure a continuous harvest.
Soil: Prefers fertile, well-drained soil. Amend heavy soil with compost to improve drainage.
Watering: Keep the soil consistently moist, especially during dry periods, to encourage fast growth and succulent stems.
Protection: For overwintering crops, a cloche or fleece protection can be beneficial in areas with very cold winters to prevent frost damage and ensure survival.
Harvesting: Begin harvesting when stems are about pencil thickness, usually 6-8 weeks after sowing. Pull the entire plant or cut the stems at the base, leaving the roots to potentially regrow.