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How to plant winter iris bulbs

Dwarf winter flowering irises are perfect for growing in pots. The bulbs are easy to cultivate, and growing them in containers means their intricately marked flowers and delicate fragrance can be enjoyed more readily than when they are grown in the garden.

Plant up the pots in October and leave them outside until the leaf tips start to poke through the soil. Then bring them indoors to speed up the flowering process – you’ll have blooms in the depths of winter.

Follow our guide to planting winter-flowering irises, below.

You Will Need

Step 1

Mix peat-free multi-purpose compost with grit and part-fill your pots.

How to plant winter iris bulbs

Step 2

Space the bulbs so that they don’t touch. They can be planted at the rate of six or seven bulbs to a 10cm pot, or rather more in wider pots or pans. Terracotta shows them off better than plastic pots.

How to plant winter iris bulbs

Step 3

Cover with 5cm of compost and lightly firm it around the bulbs. In order to prevent mud splashing, and to display the flowers to the best effect, a 1cm layer of sharp grit should be added on top.

How to plant winter iris bulbs

Step 4

Label each pot with its individual variety. That way you can be sure of knowing exactly what you are looking at when the plants are in flower, and confident when ordering more of your favourites.

How to plant winter iris bulbs
Modern Agriculture
Planting