Photo by Melody

PlantFiles: Butterfly Bush, Summer Lilac, Orange-eye Butterfly Bush
Buddleja davidii 'Royal Red'

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Family: Buddlejaceae
Genus: Buddleja (BUD-lee-uh) (Info)
Species: davidii (duh-VID-ee-eye) (Info)
Cultivar: Royal Red

Synonym:Buddleia davidii
Synonym:Buddleia variabilis
Synonym:Buddleja variabilis

12 vendors have this plant for sale.

12 members have or want this plant for trade.

Category:
Perennials
Shrubs

Height:
4-6 ft. (1.2-1.8 m)

Spacing:
24-36 in. (60-90 cm)

Hardiness:
USDA Zone 5a: to -28.8 C (-20 F)
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:
Full Sun
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
Fuchsia (Red-Purple)
Red

Bloom Time:
Mid Summer
Late Summer/Early Fall

Foliage:
Deciduous

Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)

Patent Information:
Unknown - Tell us

Propagation Methods:
From woody stem cuttings
From softwood cuttings
From semi-hardwood cuttings

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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There are a total of 13 photos.
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Profile:

4 positives
2 neutrals
1 negative

Gardeners' Notes:

RatingAuthorContent
Positive irishmist On Jul 17, 2013, irishmist from Rochester, NY (Zone 6a) wrote:

This has grown well and bloomed beautifully in my Zone 6A for 5-6 years. Just started to bloom on 7/14 and now instead of solid panicles, the spray consists of smaller tufts of flowers along the panicle's stem which increase in size from the tip to the central branch. It looks like the yellow buddleia (Honeycomb I think). Anyone know what caused this change. Weather was very rainy for several weeks then hot and humid during flower formation. Related?

Neutral kydrummer On Feb 11, 2013, kydrummer from Silver Spring, MD wrote:

I have been growing buddleja davidii in Maryland for 20 years and have never had a volunteer seedling. Japanese barberry is very invasive in the woods here though, and porcelain berry vine is a nightmare.

Negative Patmisty1 On Jul 28, 2011, Patmisty1 from College Park, MD wrote:

This plant is beautiful but needs to be deadheaded and not allowed to go to seed. It is invasive in many states and crowds out native species. Maryland is one of the states that has it listed as invasive and to be removed from the wild. Please check with your extension service to see if it is a problem in your state.

Positive crablegs On Jun 12, 2010, crablegs from Vienna, ME (Zone 5a) wrote:

I grew Buddleia davidii [not sure which one] several years ago, about 1995-2004 in California, Maryland. It grew well with little attention. Recommendations at that time were to cut it back in late March, early April. Sometimes that didn't happen, but it surely did attract butterflies and bees, regardless. I say it grew until 2004. It might be growing still. That is when I moved to Maine.
Today I found the plant again.
While the hang tag says to zone 5, I'm going to try it in zone 4.
Hopefully, I will remember to report back to you next year on my Maine experience with Buddleia davidii "Royal Red."

Positive stormyla On Nov 24, 2009, stormyla from Norristown, PA (Zone 6b) wrote:

I have 3 of these bushes growing as understory plantings in a dry windy bed under Maples. They grow and bloom very well there.

Positive zarcanat On Mar 17, 2006, zarcanat from Montreal, QC (Zone 4b) wrote:

I do have this one plus Nanho blue and Nanho pink and definitly, it is the best fragrance of all!

Neutral smiln32 On Nov 25, 2004, smiln32 from Oklahoma City, OK (Zone 7a) wrote:

This variety is a 1928 hybrid from Good and Reese Nursery in Ohio. It's really not "red", but more of a deep scarlet or bright violet.

Most butterfly bushes are hardy in zones 5 - 9. If you live in zone 5 or a colder zone, the tops in your butterfly bushes will likely die back over the winter. Even so, they will come back the next growing season bigger and better then before. Butterfly bushes prefer full sun (they must receive eight or more hours of sun a day to thrive).

Regional...

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

Bessemer, Alabama
Chico, California
Sacramento, California
San Clemente, California
San Jose, California
Gainesville, Florida (2 reports)
Kissimmee, Florida
Palm Coast, Florida
Dacula, Georgia
Rincon, Georgia
Oskaloosa, Iowa
Kingman, Kansas
Wichita, Kansas
Hebron, Kentucky
California, Maryland
College Park, Maryland
Silver Spring, Maryland
Dearborn Heights, Michigan
Mount Clemens, Michigan
Royal Oak, Michigan
Brainerd, Minnesota
Candia, New Hampshire
Clinton Corners, New York
Rochester, New York
Raleigh, North Carolina
Glouster, Ohio
Xenia, Ohio
Oklahoma City, Oklahoma
Albany, Oregon
Beaver Falls, Pennsylvania
Glenshaw, Pennsylvania
Norristown, Pennsylvania
Waterford, Pennsylvania
North Augusta, South Carolina
Summerville, South Carolina
Knoxville, Tennessee
Middleton, Tennessee
Austin, Texas
Fort Worth, Texas
Irving, Texas
San Antonio, Texas (2 reports)
West Dummerston, Vermont
Olympia, Washington
Seattle, Washington
Black Earth, Wisconsin
Marinette, Wisconsin



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