How to Grow Rudbeckia Goldstrum
Rudbeckia fulgida var. sullivantii 'Goldsturm'
Your complete guide to growing Rudbeckia Goldstrum.
When to Plant Rudbeckia Goldstrum
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
| Zone | Start Indoors | Direct Sow | Harvest |
|---|---|---|---|
| Zone 1 | May – June | July – September | — |
| Zone 2 | April – May | June – August | — |
| Zone 3 | April – May | June – August | — |
| Zone 4 | March – April | June – July | — |
| Zone 5 | March – April | May – July | — |
| Zone 6 | March – April | May – July | — |
| Zone 7 | February – March | April – June | — |
| Zone 8 | February – March | April – June | — |
| Zone 9 | January – February | March – May | — |
| Zone 10 | January | February – April | — |
| Zone 11 | January | January – March | — |
| Zone 12 | January | January – March | — |
| Zone 13 | January | January – March | — |
Companion Plants for Rudbeckia Goldstrum
✓ Good companions
Extends pollinator season into fall, similar soil preferences, natural prairie companions
Attracts beneficial insects and hummingbirds, helps deter harmful pests
Extended bloom season together, shared pollinators, similar maintenance needs
Repels aphids and ants, long blooming period complements Rudbeckia
Provides textural contrast, supports beneficial insects, creates natural windbreak
Similar growing conditions, attracts beneficial pollinators, creates striking color contrast
Complementary late-season blooms, attracts butterflies, provides structural contrast
Attracts beneficial predatory insects, drought tolerant with similar needs
✗ Keep away from
Produces juglone which is toxic to many plants including Rudbeckia
Allelopathic properties inhibit growth of nearby flowering plants
Aggressive spreader that competes for resources and can overwhelm Rudbeckia