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Greenstem Forsythia, Korean Forsythia

Forsythiaviridissima

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Family
Oleaceae (oh-lee-AY-see-ee)
Info
Genus
Forsythia (for-SITH-ee-a)
Info
Species
viridissima (vir-id-ISS-ih-muh)
Info
Synonym
Sun Exposure
Light Shade
Foliage
Grown for foliage
Deciduous
Height
36-48 in. (90-120 cm)
Spacing
36-48 in. (90-120 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)
Danger

Unknown - Tell us

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
Chartreuse/Yellow
Where to Grow

Unknown - Tell us

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information

Unknown - Tell us

Propagation Methods
From hardwood cuttings
By simple layering
By serpentine layering
By stooling or mound layering
Seed Collecting

Unknown - Tell us

Regional

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

Gainesville, Florida

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R
Rickwebb
Downingtown, PA | July 2015 | neutral

I have never seen the straight or mother species here. It is not sold in the trade in the USA. What is sold is the dwarf cultivar of 'Bro...Read More

K
K
KanapahaLEW
Alachua, FL (Zone 8b) | February 2011 | positive

Three small clumps at Kanapaha Botanical Gardens flower faithfully every February. These do not sucker rampantly like F. x intermedia. ...Read More

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