Solidago Species, Stiff Goldenrod

Solidagorigida

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Solidago (so-li-DAY-go)
Species
rigida (RIG-ih-duh)
Synonym
Oligoneuron grandiflorum
Oligoneuron rigidum
Solidago grandiflora
Sun Exposure
Full Sun
Foliage
Herbaceous
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)
Danger
N/A
Bloom Color
Bright Yellow
Bloom Time
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
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
Regional

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

Manilla, Iowa

Yale, Iowa

Shawnee Mission, Kansas

Kansas City, Missouri

Greensboro, North Carolina

Featured Videos

Gardener's Notes:

3
positives
0
neutral
0
negative
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J
Southeast, WI | May 2017 | positive

As far as Goldenrod goes, this is about the best species for a garden. It's very showy. Even without the flowers, the stem and leaves are...Read More

B
Santa Fe, NM (Zone 6a) | May 2015 | positive

This is an amazingly cool native plant. It has beautiful yellow flowers in massive amounts and an even better point is that the native bi...Read More

J
J
Shawnee Mission, KS | December 2007 | positive

A beautiful, tall, heat resistant plant with vivacious lemon yellow flowers that blooms in late summer when other plants are beginning to...Read More

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