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Growing Allium

Category Bulbs
These sun loving bulbs are deer resistant and attract butterflies. This is a page about growing allium.


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By 1 found this helpful
January 29, 2006

Botanical Name:


Life Cycle:

perennial bulb

Planting Time:



varies depending on variety


full sun


rich, well-drained soil


zones 4-9

Bloom Time:



variety of colors including true blue, purple, violet and yellow





Suggested Use:

beds, borders, cut flower and butterfly and hummingbird gardens.

Growing Hints:

Plant bulbs in fall for spring flowering. Bulbs should be planted 4 inches deep and will benefit from an application of bulb fertilizer worked into the soil before planting or applied as new growth starts to appear.

Cluster bulbs in groups of three to five for the best color and plant tall varieties in locations protected by the wind. Companion planting is advisable to cover the wilting foliage as plants begin to bloom.

Interesting Facts:

Allium tends to be resistant to deer, chipmunks, mice and other rodents, and great for attracting butterflies and hummingbirds.
Comment Pin it! Was this helpful? 1

June 19, 2017

This became one of my favorite flowers, after seeing an entire bed in bloom when I visited NYC. So gorgeous! The flowers are giant, the size of a grapefruit, and a beautiful purple-pink. Most allium I have seen for sale at nurseries are more purple or blue. These remind me of a fireworks display.

Onions and chives are also part of the allium family.


The first year, I only got one bloom, but they divide every year if conditions are right. I think I have been lucky because I can't get anything else to grow in that area. I'm now up to 4 blossoms and I think it is time to spread them out so I get even more next year.

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By 1 found this helpful
May 23, 2010

What is this flower?

Hardiness Zone: 7a

By Louise from Harrisburg, PA


May 23, 20100 found this helpful
Best Answer

It is an allium, which is related to onions. It's gorgeous!

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By 0 found this helpful
June 6, 2018

What do I do with allium bulbs when they are finished?


June 6, 20180 found this helpful

This site gives really good info on their care.


Just curious, I love these. Do you dry them? If so, do the hold up well in arrangements or are they fragile. I have a space I have been debating between these and purple iris. Thanks!

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June 6, 20180 found this helpful

After they finish blooming, cut off the dead foliage and leave them alone. They will bloom again.

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June 7, 20180 found this helpful

I just leave mine in the ground and they come back every year. I started with 1 blossom and I had 5 bloom this year. I probably planted the original bulb about 6 years ago. I need to divide them so that I'll get more blossoms in a couple of years. It's best to wait until the fall to move them, according to what I have read.

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June 7, 20180 found this helpful

Allium are good in floral arrangements and are not too fragile but they are messy. They drop little black seeds (like poppy seeds) as soon as they start to dry. I decided to leave my flowers alone this year and let the seeds fall in the bed. Hopefully, this will result in more allium in years to come.


I'm not sure about drying but I bet they would do pretty well.

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By 0 found this helpful
October 2, 2015

Last fall I planted my daffodils, allium, iris, and hyacinth, but in the spring only a few allium came up! I've never had this happen, what could have happened to them? I need to know before I plant them this fall.


October 4, 20150 found this helpful

Just one idea; soil nutrients and PH levels change over the years. You can order a PH test and you would need to look up how alkaline or acidic your Allium needs.

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By 6 found this helpful
July 11, 2011

I'm not sure if it's because of all the rain we had, but I think my allium are especially bright and colorful this year!

By Mary

Beautiful Allium

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