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How to grow crocus

HOW TO GROW CROCUS 

The petite purple, yellow, and white flowers of crocus covering your grounds are sure to brighten up those dull late winter days!
rocuses are one of the earliest blooming spring bulbs and a source of nectar pollen for many insects too  

There are two types of crocus bulbs – autumn-flowering and spring-flowering.
Keep reading our handy guide to find out everything you need to know about successfully growing crocus, whatever kind you’re planting this year  

Crocus Large Flower

HOW TO PLANT CROCUS 

Plant spring-flowering crocus in September or October somewhere sunny, and their flowers will bloom in February or April  

Plant autumn flowering crocus in late summer and you’ll get much needed blooms in your gardens from as early as September  

Naturalising crocuses in grass or lawns  

Neat/ Structured displays - Use a lawn edging tool or spade to cut an H-shape into the turf. Push the spade under the turf, cutting the grass roots and gently easing back a layer of turf. Fork over the soil to break it up, then spread the bulbs over the surface of the soil, keeping them evenly spread apart  

Plant the crocus corms with the pointed end facing up. pushing the bulbs down firmly. Then fold back the two flaps of soil to cover the bulbs. Walk over the turf to firm it down, making sure its level with the rest of the lawn. Water the area afterwards  

Random/Natural displays - Scatter handfuls of crocus bulbs randomly over the surface of the lawn. Pick up each bulb and use a planter to remove the turf and soil (about 5cm to 7.5cm deep). Drop the bulb into the hole, keeping the bulb pointing upwards. Replace the soil and turf firmly into a position over the bulb. Tread down, and water well, being careful not to over water the area.  

Extra Tip:You’re aiming for a natural effect so try to not be too precise when planting. Throwing the bulbs and planting where they land is a fun way to decide where to plant them  

Extra Tip: You’re aiming for a natural effect so try to not be too precise when planting. Throwing the bulbs and planting where they land is a fun way to decide where to plant them 

Crocus Ivory Princess

CROCUS CARE 

What to do with crocus after flowering?  

Let the bulbs complete their growing cycle before cutting your grass, which is around 6-8 weeks after flowering. By leaving them to grow for this time you’ll allows the bulbs time to build up resources to bloom again next year  

If your grass is growing too long and you feel you need to cut it, mow carefully around the clumps of foliage and avoid damaging the foliage  

If you want crocus to set seed, you’ll have to wait for the seeds to ripen and fall before mowing the grass 

FREQUENTLY ASKED QUESTIONS 

There are many ways to help prevent rodents such as squirrels and mice from attacking your crocus. One way is to put up chicken wire over planted areas of the border, just under the soil. Another way is to sprinkle dried chillies over the area when the shoots appear, although this way will not stop hungry pheasants or other birds  

Most crocus naturalise well in lawns. They are a good choice as they flower early and die down quickly, so you don’t have to leave the grass uncut for long. The variety Crocus tommasinianus is especially good as it flowers early and seeds prolifically  

No one really knows the answer to this one! It does not seem to be for food, though it may be to get nectar from the flowers  

Most crocus will grow well in containers. One thing to be aware of is that after the flowers have faded, the crocus leaves can be present for several months, which might not look the best aesthetically for your garden deco

Crocus do not like warm temperatures, so crocus houseplants are not the best option. The best way to grow crocus for the house is to grow them in a cold frame or greenhouse to start with. When the flower buds start to show colour, bring them into the house. Once in the house the crocus should open wide. Crocus chrysanthus varieties seem to like this way of planting  

They may be overcrowded as they are often planted in the shade. Also, crocus generally like sunny, exposed places in the wild, so they grow and flower best in similar conditions in the garden  

Crocus can adjust their height in the soil. Most crocus can be planted 5-7cm (2-3in) deep. Plant deeper if you are troubled by rodents such as squirrels and mice  

As they are underground for about eight months of the year, there is not much opportunity to dig up and move crocus. The ideal time tends to be just after flowering, when they are in leaf or just starting to die down  

Crocus Orange Monarch

CHOOSING YOUR CROCUS 

Our favourite Crocus varieties new to Dobbies this year are:  

  • Crocus ‘Blue Ocean’ – beautiful and vivid blue-purple flowers  

  • Crocus ‘Ivory Princess’ - a bright white bloom with pretty cup-shaped flowers  

  • Crocus ‘Orange Monarch’ - petite golden-orange flowers, with dark purple feathering on the outer petals  

Plant in: October and November in partial shade 

Flowers in: February and March 

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