Friday, December 23, 2011

Native Plant of the Week: Buttonbush ~ Cephalanthus occidentalis

Buttonbush ~ Cephalanthus occidentalis


Buttonbush is a beautiful native shrub of wetland and riparian edges, and other low lying moist locations. It is named for the 1'' wide, spherical shaped white flowers that emerge in late June to early July.

Buttonbush has dark green glossy leaves that are oppositely arranged. It prefers partial to full sun locations in medium to moist soils rich in humus in the home landscape.

It can reach heights of 12 feet, but is more commonly found around 6-8 feet. The flowers are fragrant and are sought out by many types of native bees.

The fruit is a spherical nutlet, which turns from green to rusty brown in color as it dries and matures.

Buttonbush is native to eastern North America as well as California and Arizona in the west. See map below for range.

Kartesz, J.T., The Biota of North America Program (BONAP).
2011. 
North American Plant Atlas. Chapel Hill, N.C.

10 comments:

  1. Heather this plant has been on my wish list for a long time...not sure why i do not have it yet with all my moist gardens areas...going to the top of the list this time...

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  2. I believe I have seen that plant in our Toronto Ontario,Canada area? Could that be ??
    Just found it:) http://ontariowildflowers.com/main/species.php?id=2025

    Wish you a Merry Christmas and Happy New Year.
    Gisela

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  3. This one has been on my wishlist also. This year I was looking for wildflowers to photograph and I found a my first buttonbush. I returned to the site a couple of weeks later to see if I could get some seed but it was to late. I will go back this spring and try to get some cuttings.

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  4. Great plant and post Heather! I wanted to wish you the Happiest of Holidays! Peace/Carol

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  5. I've had a button bush since my first spring here but it didn't seem to be doing well. I moved it last spring to a wetter spot. It seemed to perk up at that. I believe it's zone 5 and we are 4 so I worry with the cold but I know there is one growing in a nearby park and mine has made it through a couple of winters now so I can only hope! The day I see one of those beautiful button flowers will be special, but it truly has beautiful leaves.

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  6. Donna, sounds like you have the right spot for it. Hope you can find a local source.

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  7. Hi Guild-rez,
    Glad to hear you found some records for it in Ontario.

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  8. Jay - good luck with the cuttings. I have not collected seed myself but plan to visit more wetlands next year so will keep my eyes open.

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  9. Kathy - I've had one for about 5 years and it flowered in the 3rd year. I think the moister location will definitely help.

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