Photo by Melody

PlantFiles: Forsythia
Forsythia 'Northern Sun'

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Family: Oleaceae (oh-lee-AY-see-ee) (Info)
Genus: Forsythia (for-SITH-ee-a) (Info)
Cultivar: Northern Sun

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One member has or wants this plant for trade.

Category:
Shrubs

Height:
6-8 ft. (1.8-2.4 m)

Spacing:
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)

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

Danger:
Unknown - Tell us

Bloom Color:
Bright Yellow

Bloom Time:
Late Winter/Early Spring
Mid Spring

Foliage:
Deciduous
Smooth-Textured

Other details:
Average Water Needs; Water regularly; do not overwater
Flowers are good for cutting

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
From semi-hardwood cuttings
From hardwood cuttings

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:

By Aphthona
Thumbnail #1 of Forsythia  by Aphthona

By Aphthona
Thumbnail #2 of Forsythia  by Aphthona

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Aphthona On Jun 6, 2011, Aphthona from Fargo, ND (Zone 4b) wrote:

This University of Minnesota introduction has successfully bloomed in Fargo, ND for over 20 years.

Regional...

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

St Paul, Minnesota
Fargo, North Dakota



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