Photo by Melody

PlantFiles: Early Goldenrod, Giant Goldenrod, Smooth Goldenrod, Tall Goldenrod, Verge d'or geante
Solidago gigantea

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Solidago (so-li-DAY-go) (Info)
Species: gigantea (jy-GAN-tee-uh) (Info)

Synonym:Solidago gigantea var. serotina

2 members have or want this plant for trade.

Category:
Perennials

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:
Unknown - Tell us

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
N/A

Bloom Color:
Bright Yellow

Bloom Time:
Late Summer/Early Fall
Mid Fall

Foliage:
Herbaceous
Smooth-Textured
Shiny/Glossy-Textured

Other details:
Unknown - Tell us

Soil pH requirements:
Unknown - Tell us

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

Click thumbnail
to view:

By KSBaptisia
Thumbnail #1 of Solidago gigantea by KSBaptisia

By Zaragoza
Thumbnail #2 of Solidago gigantea by Zaragoza

By Parakeet
Thumbnail #3 of Solidago gigantea by Parakeet

Profile:

1 positive
2 neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Gabrielle On Feb 28, 2012, Gabrielle from (Zone 5a) wrote:

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 have other goldenrods that I like better, I am leaning towards removing it before it gets a strong foothold. Blooms September-October in my garden.

Positive Parakeet On Dec 12, 2010, Parakeet from Jersey City, NJ wrote:

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 had volunteer seedlings. Old plants die back in winter, new ones come up in spring from the same root parts. Bugs and bees love the bright yellow blooms and flock around like crazy!

A lot of people hate goldenrod believing its pollen causes allergies. But the following is the truth:
"Goldenrod gets blamed for hay fever because the bright yellow flowers draw attention to the plant. But ragweed pollen is what causes allergy symptoms, not goldenrod.
Ragweed's pollen is lightweight and spread by the wind. Goldenrod's pollen is heavy and sticky and can't be blown by the wind. It is pollinated by insects. Unless you put your nose right into a goldenrod plant and sniff, you shouldn't be affected by its pollen."

Neutral KSBaptisia On Jun 8, 2009, KSBaptisia from Beatrice, NE (Zone 5b) wrote:

A big, bold goldenrod that is a very common wildflower throughout the Great Plains and Midwest. Can be so aggressive that it is difficult to integrate into most gardens.

Regional...

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

Beatrice, Nebraska
Doniphan, Nebraska
Jersey City, New Jersey



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