September 2025 Delivery
Bulb Fertiliser
Our flowering bulb fertiliser has been specifically designed to help your spring-flowering bulbs flower to their full potential. Whether you are establishing in pots or containers, sprinkle a small amount into each hole prior to planting your bulbs. Also suitable for use in early spring to encourage your bulbs to flower well in the following season.
- Tailored to give your bulbs all the nutrients they need
- Can be mixed with compost or Bulb Fibre
- NPK - 12.11.18 + MgO
- Recommended coverage: 5kg per 200sqm. Apply at 25g/sqm
- Not suitable for use with Wildflower Bulbs
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Planting Guide
| Species | Month | Depth | Spacing | Soil | Aspect |
|---|---|---|---|---|---|
| Allium | Sept-Nov | 3 x bulb height | 15-30cm | Well-drained |  |
| Anemone | Sept-Nov | 5cm | 5-10cm | Any |  |
| Bluebell | Aug-Dec | 5-10cm | 10cm | Moist |  |
| Camassia | Sept-Nov | 10cm | 15cm | Moist | |
| Chionodoxa | Sept-Nov | 5cm | 5cm | Well-drained | |
| Crocus | Sept-Nov | 5cm | 5cm | Well-drained | |
| Cyclamen | Aug-Oct | 5cm | 5cm | Well-drained | |
| Daffodil & Narcissi | Sept-Oct | 3 x bulb height | 10-20cm | Well-drained | |
| Erythronium | Sept-Nov | 10cm | 10cm | Moist | |
| Freesia | Aug-Oct | 5cm | 7cm | Well-drained | |
| Fritillary | Sept-Nov | 10-15cm | 20-25cm | Well-drained | |
| Hyacinth | Sept-Nov | 15cm | 10cm | Well-drained | |
| Ipheion | Sept-Nov | 5cm | 5cm | Well-drained | |
| Iris | Sept-Nov | 5cm | 5cm | Well-drained | |
| Muscari | Sept-Nov | 5cm | 5cm | Any | |
| Puschkinia | Sept-Nov | 5cm | 5cm | Well-drained | |
| Snowdrop | Sept-Dec | 10cm | 5cm | Moist | |
| Triteleia | Sept-Nov | 5cm | 5cm | Well-drained | |
| Tulip | Sept-Dec | 10-15cm | 10-15cm | Well-drained | |
| Wildflowers | Sept-Dec | 3 x bulb height | 10-15cm | Moist | |
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Full Sun
Partial Shade
Full Shade
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About Us
Boston Seeds is an independent seed merchant founded in 2002 by Andrew Wallis, after 25 years working for some of Europe’s leading seed houses. Find out more about Boston Seeds.
Quality
Here at Boston Seeds, we take quality seriously, and genuinely want every one of our customers to be delighted with their purchase and results. Learn more about our quality assurance.
Delivery
We are proud to offer a wide range of products on a next day delivery service across most of the UK, from just a few grams to hundreds of kilograms.
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