How to grow Crocus

Browse our range of Crocus bulbs

Introduction to Crocus

Crocus is the common name for a group of early-flowering spring and autumn bulbs, with the Latin name Crocus. There are around 90 species, offering a beautiful palette of colours including purples, yellows, whites, and delicate stripes.

 

Crocuses are renowned for their cheerful, cup-shaped flowers that often emerge while the first signs of spring appear, sometimes even pushing through late winter snow. They are perfect for naturalising in lawns, borders, or under trees, and they also make charming cut flowers for small indoor displays.

 

Crocuses are low-maintenance and generally easy to grow, especially when planted as bulbs in the autumn for spring flowering. Many varieties are available as ready-to-plant corms, giving quick and reliable colour in the garden.

 

Whether grown in large drifts for impact or as a scattered splash of early colour, crocuses provide an enchanting, early-season display that delights gardeners and pollinators alike.

Planting & Harvesting

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  • Sow Indoors
  • Sow/Plant Outside
  • Flowers/Harvest

How do I plant Crocus? 

Start by loosening the soil to about 10-15 cm (4-6 inches) deep and mix in some compost or well-rotted manure to improve drainage and enrich the soil. Plant each corm with the pointy end facing up, about 7-10 cm (3-4 inches) deep. Space them roughly 7-10 cm (3-4 inches) apart for a natural, clustered effect.

You can create the perfect environment for crocuses by ensuring the soil is light and free-draining, as they dislike sitting in water. Adding a little grit to heavy soil will help prevent rot. For an extra burst of energy, you can mix in a balanced bulb fertiliser when planting – this will help your crocuses bloom beautifully as soon as the early spring sunshine appears.

 

When & Where to plant Crocus?

As early-flowering bulbs, crocus corms are best planted in the autumn months, between September and November. Planting during this period allows them to establish roots before the first frosts and ensures a cheerful splash of colour in late winter or early spring.

 

Ground planting: Crocuses do very well when planted directly in the ground. They prefer a sunny or lightly shaded spot with well-drained soil. Avoid areas where water tends to pool, as soggy soil can cause corm rot.

 

Container planting: Crocuses can also be grown successfully in pots or containers, ideal for patios, balconies, or small garden spaces. Use a container at least 10-15 cm (4-6 inches) deep with good drainage holes and fill it with well-draining compost.

 

Window boxes: Crocuses are suitable for window boxes as long as the container is deep enough and drains well. Water regularly, but avoid waterlogging to keep the corms healthy.

 

Crocuses prefer full sun for the best blooms, though they can tolerate light shade. Too much shade may result in weaker stems and fewer flowers, so choose a spot that receives at least a few hours of sunlight each day.

How to care for Crocus 

Once your crocuses are planted, most varieties are low-maintenance, but a little care will ensure strong growth and vibrant blooms year after year. Water them during dry spells, making sure the soil stays moist but never waterlogged.

 

If you want to give your crocuses an extra boost, feeding can help support healthy growth and encourage bright flowers. From early spring, when shoots start to appear, apply a balanced or potassium-rich liquid fertiliser to the soil around the corms. This helps strengthen the plants and can improve flowering in the seasons to come.

 

After flowering, allow the foliage to die back naturally. Don’t cut it too soon, as the leaves continue to photosynthesise, storing energy in the corms for next year’s blooms. This simple aftercare will keep your crocuses blooming beautifully for many seasons.

FAQs

When do crocuses bloom?

Crocuses generally bloom in late winter to early spring, depending on the variety. They are among the first flowers to appear, often pushing through light snow

Can crocuses be planted in lawns?

Yes! Crocuses naturalise well in lawns. Plant the corms in small clusters and mow the lawn only after the foliage has died back completely, allowing the corms to store energy for the next season.

Why aren’t my crocuses flowering?

Common reasons include planting too shallow, too deep, overcrowding, insufficient sunlight, or poor soil drainage. Ensure corms are healthy and the site receives adequate light and moisture.

Are crocuses deer or squirrel resistant?

Crocuses are generally less attractive to deer, rabbits, and squirrels due to their taste and toxicity, making them a reliable choice for wildlife-prone gardens.

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