Forsythia Hybrid Species, Border Forsythia

Forsythiax intermedia

Family
Oleaceae (oh-lee-AY-see-ee)
Genus
Forsythia (for-SITH-ee-a)
Species
x intermedia (in-ter-MEE-dee-a)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Deciduous
Height
8-10 ft. (2.4-3 m)
Spacing
8-10 ft. (2.4-3 m)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
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)
Bloom Color
Bright Yellow
Bloom Time
Late Winter/Early Spring
Mid Spring
Other Details
Category
Shrubs
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
From hardwood cuttings
By simple layering
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Morrilton, Arkansas

Clifton, Colorado

Wethersfield, Connecticut

Trenton, Florida

Marietta, Georgia

Winterville, Georgia

Indianapolis, Indiana

Cedar Rapids, Iowa

Lisbon, Maine

Billerica, Massachusetts

Sudbury, Massachusetts

Lena, Mississippi

Madison, Mississippi

Conway, Missouri

Eunice, Missouri

Piedmont, Missouri

Los Alamos, New Mexico

Kingston, New York

Concord, North Carolina

Cleveland, Ohio

Tulsa, Oklahoma

Tillamook, Oregon

Allentown, Pennsylvania

Milford, Pennsylvania

Conway, South Carolina

Thompsons Station, Tennessee

Kempner, Texas

Kent, Washington

Falling Waters, West Virginia

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Gardener's Notes:

9
positives
3
neutrals
1
negative
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R
Downingtown, PA | January 2014 | negative

This hybrid of two Chinese species, the Greenstem X the Weeping, is only a one or two season plant; not three or four. It seems to be ste...Read More

E
Wethersfield, CT | July 2013 | positive

Excellent Plant. I believe I have Forsythia ovata Nakai. It is the first to bloom (late winter) on the block and is a pale yellow rather...Read More

W
Petersburg, VA | May 2011 | positive

I dug up a forsythia from a very shady area behind the garage, and it has been in a pot for several years, surviving hot, dry summers and...Read More

T
Concord, NC (Zone 7a) | March 2011 | neutral

I dont like how out of control and hard to tame and keep manicured forsythias are. you can cut these back to almost the nub of the trunk ...Read More

P
Los Alamos, NM (Zone 5a) | October 2007 | positive

I make sure there is a forsythia in the yard of every house where I live. One came with the current house. It is on the west side near ...Read More

S
Kansas City, MO (Zone 5b) | June 2007 | positive

I've always loved the early yellow flowers and easy-going nature of these shrubs, but they can get overgrown very quickly and require at ...Read More

B
Braselton, GA (Zone 8a) | March 2007 | positive

I LOVE my forsythia! I wish every plant I have was this care-free. I do absolutely nothing for this plant and it rewards me faithfully e...Read More

R
Walkerton, VA (Zone 7a) | February 2006 | neutral

Granted this is a beautiful shrub, but takes a lot of pruning for it to look its best.

T
Piedmont, MO (Zone 6a) | September 2004 | positive

This is the old fashioned type of forsythia, found around abandoned homesteads. Many named cultivars are sold today.
I love this ...Read More

Z
Winston Salem, NC | May 2004 | positive

This lovely bush blooms light yellow to almost an orange color in the spring. Lovely along driveways or fencelines. We have 3 of these be...Read More

B
B
Sugar Grove, NC | July 2003 | positive

You have to love forsythia - a gorgeous mass of early spring yellow, and bright green foliage thru the summer and fall! Can literaly bec...Read More

T
T
Murfreesboro, TN (Zone 7a) | August 2002 | positive

Some sneer at such an old-fashioned plant, but it's such a bright spot of color during those last bleak days of winter.

So...Read More

W
W
Olympia, WA (Zone 8b) | March 2001 | neutral

Arching Vase-shape. 10Ft. tall & 10-12 Ft wide. Blazing Yellow blossoms early in spring. May be used as an informal hedge.

...Read More

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