Planting Allium Bulbs

Space larger bulbs approx.

Planting allium bulbs.

Weave them through sunny borders or combine them with feathery grasses for best effect. Plant them at a depth of 2 3 times their diameter 4 6 in a well drained sunny or partly shaded site. Usda hardiness zone 3 8 full sun well draining soil. Deep pots are most suitable for alliums.

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. How to grow alliums. 15cm apart but smaller bulbs can be spaced about 10cm apart. The bulb forming alliums will need to be planted in the fall.

When planting multiple allium bulbs the bulbs should be spaced 6 to 8 inches 15 to 20 cm apart. So if you have a two inch bulb you would plant it four to six inches deep water them well after planting. Alliums will grow perfectly well in a well drained soil. U003c p u003e allium sonoma collection.

When to plant them. Plant this allium bulb collection and you will be so excited for next summer you won t want to wait. The planting depth should be two to three times the diameter of the bulbs. Plant bulbs in fall for a spring bloom.

Plant dormant allium bulbs in the fall according to your growing zone. Allium planting guide when. Alliums are amongst the most undemanding flower bulbs to plant tolerating most types of soil and hardy down to zone 4. Doing so can improve drainage conditions.

Once after planting moderately in spring. They should be planted in fall between september and november before the soil freezes. You will rarely have to worry about watering them as they actually prefer dry conditions. Then cross your fingers and wait for spring.

These ornamental onions are bold and architectural with large rounded heads of usually purple flowers followed by attractive seedheads. Planting in the ground. They hate waterlogged soil. Plant allium bulbs in the fall they bloom in spring.