Thompson & Morgan Allium Collection Garden Flower Bulbs - Pack Of 100

This Allium collection is a must-have for late spring and early summer gardens, adding striking sh...

Best current price£10.20from Groupon UK

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Groupon UKGroupon Unisex White Allium Bulb Collection: 100 Bulbs
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B&QB&Q - Allium Collection Garden Flower Bulbs For PlantingPack Of 100 Bulbs
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Robert DyasThompson & Morgan - Allium Collection - 100 Bulbs - Extra Large
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HomebaseThompson And Morgan Allium Collection Planting Bulb 100 Pack
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wilkoThompson and Morgan Allium Collection Planting Bulbs 100 Pack for Garden Borders and Containers in Purple Blue and White
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Product Information

Full details

The Thompson & Morgan Allium Collection is designed for home gardeners looking to add architectural height, diverse textures, and vibrant seasonal color to their outdoor spaces. Ideal for borders, containers, and rockeries, this pack of 100 bulbs provides a reliable, long-lasting display from late spring through summer with minimal maintenance. While these hardy perennials return year after year, they require well-drained soil to thrive and prevent bulb rot during the winter months.

All features

Model Part NumberKJ2230
BrandThompson & Morgan

Extended Product Information

FAQs

When is the best time to plant these bulbs?

These Allium bulbs should be planted in the autumn for a display the following late spring and summer.

Can I grow these in containers?

Yes, they are excellent for containers provided you use high-quality, well-draining compost and ensure the pots have drainage holes.

Are these bulbs toxic to pets?

Alliums are part of the onion family and can be toxic to dogs and cats if ingested in large quantities. Plant them in areas where pets do not graze.

Do I need to dig up the bulbs in winter?

No, these are hardy perennials and can remain in the ground year-round in most climates.

How often should I water the Alliums?

Once established, they are relatively drought-tolerant, but they should be watered during dry spells in the spring and summer while they are actively growing.

Troubleshooting

Bulbs fail to emerge in spring

The soil may have been too wet during winter, leading to rot. Ensure better drainage for future plantings.

Flowers are stunted or non-existent

This is often due to a lack of sun. Ensure the location receives full, direct sunlight throughout the day.

Foliage looks yellow and messy

Do not cut the leaves until they are completely brown and dried, as premature removal starves the bulb.

Pros and Cons

Pros

  • Large bumper pack of 100 bulbs for extensive garden coverage
  • Provides a varied, layered display from late spring to summer
  • Easy to grow and maintain
  • Great for supporting local bee and butterfly populations
  • Includes a mix of heights for professional-looking garden design

Cons

  • Requires well-drained soil to avoid bulb rot
  • Bulbs are dormant for part of the year and need careful marking
  • Specific sun exposure requirements must be met for optimal blooming

Setup, Compatibility & Care

To ensure success, plant your Allium bulbs in the autumn into well-drained, fertile soil. They thrive in full sun, so choose a location in your garden that is not shaded by trees or buildings.

  1. Planting Depth: A general rule is to plant bulbs at a depth roughly three times their diameter.
  2. Spacing: Space the bulbs according to their size, ensuring smaller varieties have at least 5-10cm between them and larger varieties have 15-20cm.
  3. Soil Preparation: If your soil is heavy clay, add grit or horticultural sand to the planting hole to improve drainage.
  4. Post-Bloom Care: After the flowers fade, allow the foliage to die back naturally before removing it, as this feeds the bulb for next year's growth.

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