Bachelor's Buttons

lonmower(zone8 Western Oregon)March 7, 2007

I am in zone eight (western oregon)

In January I opened my cold frame (nothing inside) for several weeks. Later I noticed bachelor buttons sprouting behind the frame and have come to realize that the sun shining thru the thick glass heated the soil.

Well, owing to the fact we still faced cold weather, I dug up many and put them in the cold frame (with the door closed) and they have done very well. Many are 4-6" tall and very vigorous.

My question is: "How frost resistant are these starts?" I want to relocate them in my garden. We will still have a few mornings of semi-heavy frost and I don't want to lose them.

Help appreciated

Thanks

Thank you for reporting this comment. Undo
Judy_B_ON(Ontario 5B)

Batchelor's Buttons (Centaurea cyanus) is not a North American native plant. It is an introduced garden annual and is considered an invasive noxious weed in some states.

It is not frost tolerant and should not be set out in your garden until all risk of frost is past.

Here is a link that might be useful:

    Bookmark   March 7, 2007 at 9:37PM
Thank you for reporting this comment. Undo
kumquatlady

I have many bachelor's buttons sprout from last year under my fruit trees. We had some cold spell and tempature went down to low 30s at some nights, but they've done just fine and now they are about 4-5" tall.

    Bookmark   March 8, 2007 at 9:34AM
Sign Up to comment
More Discussions
Looking for Alternative for Russian Sage
Over the weekend, I was out of the state and seen some...
lovefornature
Matelea baldwyniana
I am looking for seeds and/or plants of this species...
wildflowerman_2000
Arum italicum - how to eradicate
I've just learned how invasive this plant can be. I'm...
shelley_r
Indian story or legend about Sassafras leaves
This is a little out of the ordinary, but I am looking...
Wildflowergma
Redring Milkweed seed availability for 2014
Hi Folks, I received seed of Asclepias variegata (Redring...
wildflowerman_2000
People viewed this after searching for:
© 2015 Houzz Inc. Houzz® The new way to design your home™