Solidago Species, Early Goldenrod, Giant Goldenrod, Smooth Goldenrod, Tall Goldenrod

Solidagogigantea

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Solidago (so-li-DAY-go)
Species
gigantea (jy-GAN-tee-uh)
Synonym
Doria dumetorum
Solidago cleliae
Solidago dumetorum
Solidago serotina
Solidago somesii
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Smooth
Textured
Height
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Spacing
18-24 in. (45-60 cm)
Hardiness
Danger
N/A
Bloom Color
Bright Yellow
Bloom Time
Late Summer/Early Fall
Mid Fall
Other Details
Category
Perennials
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From herbaceous stem cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
Direct sow as soon as the ground can be worked
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

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

Beatrice, Nebraska

Doniphan, Nebraska

Jersey City, New Jersey

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Gardener's Notes:

1
positive
2
neutrals
0
negative
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G
(Zone 5a) | February 2012 | neutral

I have the cultivar 'Prairie Empress', though I'm not sure there's much difference. It seems to have a tendency to flop, and being as I ...Read More

P
Jersey City, NJ | December 2010 | positive

I have had this kind of Goldenrod in my garden for over five years now. It is not invasive here. It has stayed where I planted it, never ...Read More

K
Beatrice, NE (Zone 5b) | June 2009 | neutral

A big, bold goldenrod that is a very common wildflower throughout the Great Plains and Midwest. Can be so aggressive that it is difficult...Read More

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