PlantSowGrow
How to plant and care for Black-Eyed Susan (Rudbeckia Goldsturm)
Rudbeckia fulgida var. sullivantii 'Goldsturm'
🌸 Flower
🔁 Perennial
Masses of golden daisies with dark centres from late summer into autumn. Tough, reliable and bee-friendly.
When to plant and care for it
JanFebMarAprMayJunJulAugSepOctNovDec
Flowers
Timed for a typical UK garden (last frost mid-April). The app uses your own town's frost dates.
Growing Black-Eyed Susan (Rudbeckia Goldsturm): what it needs
- Light
- Full sun · 6+ hours a day
- Watering
- Water well until established, then in dry spells
- Soil
- Fertile, well-drained soil
- Spacing
- 45 cm
- Height
- 60 cm
- In pots
- Grows well in containers
- Feeding
- Balanced feed in spring
- Hardiness
- USDA zones 3–9
Step by step
- On planting day
Plant
Plant at the same depth as it was in its pot, 45 cm apart, and firm in.
- 0–1 days after “Plant”
Water In Well
Give a full can of water, then keep moist for the first few weeks while roots establish.
- 7–14 days after “Water In Well”
Mulch Around the Base
Spread 5 cm of compost or bark around the plant, keeping it off the stems.
Every year
- MarchCut Back Old Stems
Cut old stems to the ground to make room for new shoots.
- AugustIn Flower
Peak flowering — cut some for the vase, it lasts well.
- OctoberDivide Big Clumps
Every 3–4 years, lift large clumps and split them into smaller pieces to replant.
