Others do best when you plant them in the fall.
When to plant summer lily bulbs.
Plant bulbs so the bottom is two to three times as deep as the length of the bulb in well drained soil.
Container grown lily plants can be planted anytime during the early summer.
Bulbs aren t instant gratification plants.
Unlike spring blooming bulbs that are planted in the fall summer bulbs need to be planted in the spring.
Advances in over winter storage of commercial lily bulbs have allowed gardeners to buy and plant lilies in the spring.
When to plant summer bulbs.
Choosing and preparing a planting site.
Plant lily bulbs in late fall a few weeks before winter.
Spring flowering bulbs planted early winter.
Summer bulbs need warm weather and warm soil.
Deeply planted and well mulched lily bulbs planted in fall will take all but the coldest days of the season to establish themselves before taking off in the spring.
Buy the bulbs close to planting time.
This will ensure that the bulbs have developed their roots in time to emerge above the soil for spring.
Most bulbs should be planted after a hard frost usually from mid october until the ground freezes.
As most liliums are stem rooting we strongly recommend you plant at 15cm deep.
Select a site with soil that drains well.
But autumn is still the best time to get them in the ground.
Because lily bulbs don t go dormant they will deteriorate over time so don t plan to buy bulbs in the fall and wait until spring to plant them.
Some bulbs need to be planted in the spring.
As a general rule lily bulbs may be planted in the fall or early spring.
Planting time is october through to april.
Then bring them outside to continue growing in the pot or transplant them into your garden.
If you want to give your bulbs a head start you can pot them indoors around a month or two before your outdoor weather meets their growing conditions.
When to plant bulbs depends a lot on when your bulbs will bloom.
As mentioned earlier unless you live where the ground doesn t freeze you have to replant tender perennial summer bulbs every spring.
Plant your asiatics in the mid to late fall for best results.
This way the tender new plant will not be exposed to winter chill.
Most summer blooming bulbs need to be planted in warm well draining soil.