Now all you have to do is wait patiently for winter to do its magic underground, and spring to surprise you with the rewards of your work. After a few weeks the foliage will automatically yellow and die back, and then you can remove it.
If you like things neat and tidy or want to maximize the wow-factor alliums can bring to your garden or container, you can opt for the super regimented approach. Grow your alliums in very neat rows of about 10 bulbs planted quite closely together you might want to add some fertilizer to the soil to make sure they still get all the nutrients they need. An even greater effect can be achieved by growing a row of 10 taller alliums such as Purple Sensation behind a row of 10 slightly smaller ones like Azureum.
Send me your questions! Older Post Newer Post. How to Grow Alliums? How to plant alliums in your garden: Wait until the soil is 60 degrees Fahrenheit or colder. When to Plant Tulips? When to Plant Daffodil Bulbs? When to Plant Bulbs? How to Grow Daffodils in Pots or Co How to Grow Tulips in Pots or Conta How to Grow Ixia? Wishlist 0 My Account Login Register. For more about growing Alliums , information about spring and autumn flowering Alliums. An image gallery of various types of Allums and planting combinations.
More images and growing tips about Alliums. The Sunday Gardener has over pages of gardening advice and tips. I am in 6a and now 2 December it is too late. Is there something I can still do to have them grow? Can I put them and my remaining crocus and grape hyacinth bulbs in containers and keep in garage?
It's already started going below freezing at night : HI jane - I would not plant the bulbs into the garage environment- probably not light enough and overall at this stage too warm.
Many bulbs need a period of cold to encourage growth, particularly Tulips and also Allums. I would plant them in a container, ensure they are at least 3x their own depth planted and leave the container in a sunny spot in the garden. Both bulbs should flower, a little later then usual. The three above will be fine at the back of a wide border where you have taller subjects. Otherwise, for height use Red Mohican red or and Allium Silver Spring mainly white with a little purple. At the front of the border the shorter but huge flowered metallic blue Allium Christophii looks fantastic.
The standout performer in grassy areas is Allium hollandicum Afflatuense which will also stand a little shade. In woodland, especially where the soil is moist, then Sicilian Honey Garlic is the allium of choice.
The ideal months are from September to mid-November but as late as the middle of December is acceptable. Bulbs are less sensitive to temperature extremes than most plants they are pretty well insulated underground , but it is best not to plant when temperatures are. With the notable exception of Sicilian Honey Garlic which likes damp soil in shade , the other alliums as members of the onion family love the sun. This is really important for them to flower well. They also like relatively deep rich soil.
Not too big an ask as the sort you find in rose beds, herbaceous borders and kitchen gardens is ideal. And the annual mulch they get in those places also suits them very well. You can lift alliums every year, but to be honest they do better if they are allowed to settle in, and I prefer to only lift clumps when they are over.
On that basis, plant them where you do not have to disturb them for years. For bulbs such as tulips and daffodils, a warm and sunny location with good drainage is best.
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