You can plant gladioli corms directly into borders adding plenty of organic matter well rotted manure is good.
When to plant gladioli bulbs uk.
Plant after all frost have gone unless in a mild frost area.
Plant fifteen corms every couple of weeks from early may to july to give a succession of flowers through the summer and autumn.
Gladiolus bulbs or corms aren t hardy through frozen winter months so you must dig them up and store them until spring if you want to grow them again the next year.
If you have bought quite a few don t plant them all at once.
You ll be able to plant out your gladioli next spring.
Plant tender summer flowering bulbs including gladioli in early spring.
When to plant bulbs.
Plant spring flowering bulbs such as daffodils crocus and hyacinths preferably by the end of september.
More information from the rhs about over wintering gladioli and other tender plants.
Check your gladioli corms regularly and pick out and discard any rotten ones.
Plant your gladiolus bulbs as soon as the ground is soft enough to work with.
Plant gladiolus corms in spring.
Plant tulips in november.
Now that you know how and when to plant gladioli bulbs you can watch your summer garden grow swathes of beautiful blooms all season long.
Plant your bulbs 6 inches deep in your garden and cover it halfway with loose soil.
As far as growing pattern is concerned you can plant these in groups in flower beds or as borders to other short stemmed flowering plant varieties.
Be sure not to plant at the end of the summer as the gladiolus will not be able to fully bloom before a hard freeze in the fall.
The corms should be planted in spring at a depth of around 5 6in and preferably with a bed of sharp sand or grit under the corm.
When to plant gladiolus bulbs.
What you can do is grow gladiolus bulbs corms in two batches with a time span of two weeks between the two plantations.
They can be covered with a fleece or mulch for late frost warnings.
Plant five corms in a 15cm 6in pot at 20cm 8in deep so a bit more.
Plant hardy summer flowering bulbs such as lilies alliums and crocosmia in september and october.
I like to give mine a head start in the greenhouse in pots of compost in early march.
It may still be chilly outside but your bulbs need to get into the ground.
Keep your garden full of blooming gladiolus throughout the growing season by planting additional bulbs every 2 3 weeks during the middle of the summer.