Photo by Melody

PlantFiles: Scotch Broom
Cytisus scoparius 'Moonlight'

Family: Papilionaceae (pa-pil-ee-uh-NAY-see-ee) (Info)
Genus: Cytisus (SIT-is-us) (Info)
Species: scoparius (sko-PAIR-ee-us) (Info)
Cultivar: Moonlight

5 members have or want this plant for trade.

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4-6 ft. (1.2-1.8 m)

Unknown - Tell us

USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Sun to Partial Shade

Parts of plant are poisonous if ingested

Bloom Color:

Bloom Time:
Late Spring/Early Summer


Other details:
Flowers are fragrant
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
From semi-hardwood cuttings

Seed Collecting:
Unknown - Tell us

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There are a total of 11 photos.
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4 positives
3 neutrals
1 negative

Gardeners' Notes:

Neutral bchris113 On Sep 25, 2014, bchris113 from Bend, OR wrote:

I have a question. In King County, WA
this plant is listed as an invasive species, a noxious weed. I live in a very different climate and I see it used as an ornamental shrub. Is there a black and white answer to this dilemma?

Positive redhighlander On Apr 28, 2012, redhighlander from Braintree, MA wrote:

Gentle, pale yellow flowers and a delicate fragrance. Heavenly!

Positive sterhill On Feb 18, 2006, sterhill from Atlanta, GA (Zone 7b) wrote:

Atlanta GA area: I have three if them, now about 4' tall and NEVER have any seedlings pop up. They are beautiful in bloom and add a nice architectural quality to the garden the rest of the year. Planted in full sun - this is boiling Atlanta sun - and only watered when I think about it. A nice plant for this area and not invasive at all.

Neutral caroliz On May 9, 2005, caroliz from Smithtown, NY (Zone 7a) wrote:

I just purchased the cytisus scoparius in Long Island, NY. I have another scotch broom I am not sure exaclty which type, probably the same. Other people I know have grown them quite large, but they don't seem to be a problem for the natural vegetation. The first one I have doesn't even seem to be doing that well in a partially shady location.

Neutral vickiross On Apr 14, 2004, vickiross wrote:

"Cytisus praecox is not to be confused with cytisus scoparius which is a problem in the Pacific Northwest because of it's rampant growth."
I too, along with most of Washington, Oregon, Idaho, and Northern California feel it is insane if not criminal to sell Scotch Broom in a nursery.
I have seen colored versions along our roadways and do find it pretty but wondered why anyone would cultivate the stuff as it is also highly allergenic.

Negative wnstarr On Mar 6, 2004, wnstarr from Puyallup, WA (Zone 5a) wrote:

Edgewood, Washington
I don't care what color it comes in or what you think is a fragrance. Never, never plant any Scotch Broom. The state of Washington list it as a noxious weed. Is a fire danger even here in wet Washington state. Shame on any nursery that would sell it to some unknowing customer.

Positive Todd_Boland On Mar 6, 2004, Todd_Boland from St. John's, NL (Zone 5b) wrote:

A lovely flowering shrub that is literally covered in fragrant flowers in during June (at least June in my area).

Positive starshine On Aug 2, 2003, starshine from Bend, OR (Zone 6a) wrote:

This bush has the most wonderful scent to it. It's a soft sweet scent that permeates the air when it is in bloom. The soft colour of cream and light yellow flowers is indicitive of the scent it provides. Overall, a wonderful plant and a welcome addition to our garden.


This plant has been said to grow in the following regions:

Grizzly Flats, California
Catonsville, Maryland
Swansea, Massachusetts
Reno, Nevada
Farmington, New Hampshire
Hudson, North Carolina
Downingtown, Pennsylvania
Urbanna, Virginia
Davenport, Washington

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