How to tell which way is up is by looking at the bulb and locating a smooth tip and a rough underside.
Which direction to plant allium bulbs.
Most allium bulbs will do well in deep pots.
Plant allium bulbs in full sun and provide them soil that is rich in organic matter.
The roughness comes from the roots of the bulb.
Or amend the soil with the addition of organic material to raise the level 2 3 to improve the drainage.
Depending on the size of the bulb plant 10 15cm deep and 10 15cm apart.
When to plant them.
Peat moss compost ground bark or decomposed manure all work well and a.
Allium bulbs are fairly low maintenance have dazzling flowers and tend to deter pests making them a great addition to most gardens.
After flowering remove the leaves when they have withered.
Outdoor beds find a location where the soil drains well.
After your alliums have bloomed leave the foliage in place and do not cut it off.
Position the bulbs with the pointed end facing upwards.
Then cross your fingers and wait for spring.
The bulb forming alliums will need to be planted in the fall.
Feed regularly in poor soils.
Most bulbs not all have a tip which is the end that goes up.
Plant allium bulbs 4 times the size of the bulb below the surface of the soil pointy side up.
Plant the bulbs in a multi purpose compost and water thoroughly.
Dot throughout your beds and borders to add structure or plant in a container with tulips or other spring plants.
The small and middle sized alliums a.
So if you have a two inch bulb you would plant it four to six inches deep water them well after planting.
I tend to plant in good drifts rather than in twos and threes to avoid a dotty look.
Space smaller varieties of alliums 3 4in 8 10cm apart taller alliums need at least 8in 20cm between the bulbs.
Depending on your location roots will form in the fall but the rest of the growth will happen in the spring.
Once you have identified the roots face it downward with the pointy tip up.
Loosen and turn over the soil in the planting location to a depth of 12 to 14 inches with a garden fork or spade.
Choose a planting location for the allium bulbs that will provide as much sunlight as possible.
Cowanii hair purple sensation sphaerocephalon atropurpureum and nectaroscordum can be planted en masse.
Alliums are amongst the most undemanding flower bulbs to plant tolerating most types of soil and hardy down to zone 4.
Fill in the holes and tread down lightly.
The planting depth should be two to three times the diameter of the bulbs.
If there are still water puddles 5 6 hours after a hard rain scout out another site.
Plant the allium bulbs with the pointy end facing up.
Strictly speaking allium is a genus of flowering bulb plants that includes various types of onions and garlic but when spoken in gardening circles the term usually refers to inedible members of the genus.
That is one way to tell which way to plant bulbs.