Photo by Melody

PlantFiles: Stiff Goldenrod
Solidago rigida

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Solidago (so-li-DAY-go) (Info)
Species: rigida (RIG-ih-duh) (Info)

Synonym:Oligoneuron rigida
Synonym:Oligoneuron rigidum
Synonym:Oligoneuron rigidum var. rigidum

7 vendors have this plant for sale.

2 members have or want this plant for trade.

Category:
Perennials

Height:
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

Spacing:
18-24 in. (45-60 cm)

Hardiness:
USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
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)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Full Sun

Danger:
N/A

Bloom Color:
Bright Yellow

Bloom Time:
Late Summer/Early Fall

Foliage:
Herbaceous

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
This plant may be considered a protected species; check before digging or gathering seeds

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

Patent Information:
Non-patented

Propagation Methods:
By dividing the rootball
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
From seed; sow indoors before last frost

Seed Collecting:
Collect seedhead/pod when flowers fade; allow to dry
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

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Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive JedS On Dec 27, 2007, JedS from Shawnee Mission, KS wrote:

A beautiful, tall, heat resistant plant with vivacious lemon yellow flowers that blooms in late summer when other plants are beginning to decline. It attracts Skippers and other butterflies in this part of eastern Kansas on the outskirts of Kansas City, but needs to be staked in my garden's rich, clay soil to prevent drooping. It is very drought tolerant, and withstands our winters as well.

Regional...

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

Manilla, Iowa
Shawnee Mission, Kansas
Greensboro, North Carolina



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