Planting Allium Bulbs

Planting in the ground.

Planting allium bulbs.

Doing so can improve drainage conditions. Weave them through sunny borders or combine them with feathery grasses for best effect. 15cm apart but smaller bulbs can be spaced about 10cm apart. 6 8 apart 4 8 deep.

Deep pots are most suitable for alliums. Plant allium bulbs in the fall they bloom in spring. 3 atropurpureum bulbs 10 nigrum bulbs. Alliums will grow perfectly well in a well drained soil.

Then cross your fingers and wait for spring. Plant the bulbs at a depth of roughly 3 4 times the size of the bulb. When to plant them. How to grow alliums.

They hate waterlogged soil. So if you have a two inch bulb you would plant it four to six inches deep water them well after planting. Usda hardiness zone 3 8 full sun well draining soil. Allium planting guide when.

The planting depth should be two to three times the diameter of the bulbs. Plant dormant allium bulbs in the fall according to your growing zone. U003c p u003e allium sonoma collection. Plant bulbs in fall for a spring bloom.

Consider spreading a 2 inch 5 cm layer of agricultural grit or spent compost at the bottom of the hole before laying the bulb inside. You will rarely have to worry about watering them as they actually prefer dry conditions. These ornamental onions are bold and architectural with large rounded heads of usually purple flowers followed by attractive seedheads. Plant this allium bulb collection and you will be so excited for next summer you won t want to wait.

They should be planted in fall between september and november before the soil freezes. Alliums are amongst the most undemanding flower bulbs to plant tolerating most types of soil and hardy down to zone 4. Space larger bulbs approx. When planting multiple allium bulbs the bulbs should be spaced 6 to 8 inches 15 to 20 cm apart.