How to Grow Solidago — Goldenrod

goldenrod Solidago Canadensis.

Solidago, commonly called goldenrod, produces branching heads of golden yellow blooms from mid-to-late summer. Solidago is an upright, clump-forming perennial with slender, pointed green leaves. The plant may need staking.

Solidago is a good choice for color in the late summer border or wild garden. Solidago is a good cut flower. Plant Solidago where it will not overwhelm less vigorous plants.

Solidago is a genus of about 100 species of woody-based perennials. They have small, elongated flowerheads mostly borne in one-sided, upward-facing racemes or spike-like panicles.

Goldenrod, Solidago virgaurea
Goldenrod, Solidago virgaurea

Get to Know Solidago

  • Plant type: Perennial
  • Growing Zones and range: Zones 4-8
  • Hardiness: Hardy to -30°F (-18°C)
  • Height and width: 12 to 36 inches (30-91cm) tall; 12 to 20 inches (30-50cm) wide, depending on the variety
  • Foliage: Narrowly elliptic to lance-shaped entire or toothed mid green-leaves
  • Flowers: Elongated sprays of flowers borne in one-sided, upward-facing racemes
  • Flower color: Bright yellow flowers
  • Bloom time: Late summer and fall
  • Uses: Mixed borders, meadow and cottage gardens, cutting garden
  • Common name: Goldenrod
  • Botanical name: Solidago hybrids
  • Family: Asteraceae
  • Origin: North America

Where to Plant Solidago

  • Plant Solidago in full sun.
  • Solidago grows in average to poor soil that is well-drained.

Solidago Uses and Companions

  • Use Solidago in a late-summer border or wild garden.
  • Solidago are good cut flowers.
  • Good garden companions for Solidago include Aster, Boltonia asteroides, Chrysanthemum, Echinancea purperuea, Gaillardia grandiflora, Helenium, Helianthus, ornamental grasses.
Goldenrod, Solidago canadensis
Goldenrod, Solidago canadensis

When to Plant Solidago

  • Set Solidago in the garden in spring.
  • Sow seed in spring in the garden.
  • Divide Solidago in spring or autumn.

Planting and Spacing Solidago

  • Space Solidago 12 to 20 inches (30-50cm) apart.

How to Water and Feed Solidago

  • Solidago needs moderate moisture; keep the soil evenly moist.
  • Solidago does not need to be fertilizing. Fertilizing can result in plat growing leggy.

Solidago Care

  • Mulch around Solidago to conserve soil moisture.
  • Trim off spent flowers to encourage new blooms.
  • Solidago is usually pest and disease-free.

Solidago Pests and Diseases

  • Solidago is susceptible to spot anthracnose, powdery mildew, rust, and fungal spots.
Goldenrod flower or Solidago canadensis
Goldenrod flower or Solidago canadensis

Solidago Propagation

  • Solidago seeds germinate in 14 to 21 days at 70°F (21°C) .
  • Divide plant in mid-autumn or early spring.

Solidago Varieties to Grow

  • Solidago rugosa: Grows to 5 feet (1.5m) tall with flowers on widely branching arching stems. Cultivars include ‘Fireworks’ has pure yellow flowers and red-tinged foliage; ‘Golden Baby’ is a compact and disease resistant cultivar that grows 18 to 24 inches (45-61cm) tall; ‘Peter Pan’ has bright yellow flowers and grows 2 to 3 feet (.6-1m) tall.
  • S. sphacelata ‘Golden Fleece’: grows to 24 inches (61cm) tall; low foliage mound; good ground cover.
  • S. virgaurea: Grows to 3 feet (1m) tall with flower clusters on a spike. Cultivars include ‘Cloth of Gold’, ‘Strahlenkrone’, and ‘Goldenmosa.’
  • Solidaster luteus: Hybrid of goldenrod and a perennial aster; grows to 2 feet (.6m) tall; resembles goldenrod but has larger, softer yellow flowers like small asters,

Sedum Stonecrop

How to Grow Sedum spectabile — Stonecrop

Lamb's ears Stachys

How to Grow Stachys — Lamb’s Ear