Crocus Corms Mixed Species - Pack of 25
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The Crocus Corms Mixed Species (Pack of 25) are perfect for home gardeners looking to add early-season vibrancy to their landscapes, offering a reliable way to brighten pots, patios, and woodland borders. These hardy perennials provide the key benefit of early spring color and pollinator support, though gardeners should note they require specific soil drainage to prevent the corms from rotting during winter months.
All features
| Model Part Number | 1307570 |
|---|---|
| Brand | Marshalls Garden |
Extended Product Information
FAQs
When is the best time to plant these crocus corms?
These corms should be planted in the autumn, ideally between September and November, before the ground freezes.
Do I need to fertilize them?
Generally, these crocus do not require heavy fertilization, but a light application of bulb fertilizer during the first growth phase can boost vigor.
Can I leave them in the ground year-round?
Yes, as hardy perennials, they are designed to stay in the ground throughout the year.
What happens if the soil is too heavy?
If your soil is heavy clay, mix in horticultural grit or sand to improve drainage and prevent the corms from rotting.
Should I deadhead the flowers?
You can remove faded flower heads, but it is crucial to leave the green foliage until it turns yellow and dies back naturally.
How deep should I plant them in pots?
The same 10 cm depth applies to containers; ensure your pot has adequate drainage holes at the bottom.
Troubleshooting
Corms failed to emerge in spring
This is often caused by waterlogging in winter. Ensure the planting site has excellent drainage or use gritty compost in pots.
Flowers are being eaten
Rodents or birds may be attracted to the corms or shoots. Consider using mesh covers until the shoots are established.
Sparse flowering
Corms may be planted too shallow or the soil may lack nutrients. Ensure a consistent 10 cm planting depth.
Pros and Cons
Pros
- Adds early spring color starting in February
- Easy to naturalize in lawns or under trees
- Highly attractive to early-season pollinators
- Low-maintenance once established
- Suitable for both container gardening and borders
Cons
- Requires well-drained soil to avoid corm rot
- Limited bloom window of late winter to early spring
- Requires precise planting depth of 10 cm
- Small corms can be susceptible to disturbance by rodents
Setup, Compatibility & Care
To ensure success, plant your corms in the autumn months. Dig a hole 10 cm deep, place the corm with the pointed side facing up, and space each bulb 5 cm apart. They thrive in full sun or partial shade, provided the soil remains moist but well-drained. If planting in containers, use a gritty, free-draining compost to replicate their preferred soil conditions. Once flowering has finished in March, allow the foliage to die back naturally; this process stores essential energy in the corm for the following year's growth.