Goldsturm

Family: Asteraceae Flower

Planting Schedule

Provide your location or planting zone to unlock dates and add Goldsturm to a garden.

Sunlit, golden petals glow like warm embers, framing a boldly dark, near-black center that seems to drink in the light.

Goldsturm’s blooms arrive in abundance and hold their color with a crisp, satiny texture, forming a sturdy, mounding clump that looks radiant from late season onward. Ideal for brightening borders and naturalizing beds, this dependable Black-Eyed Susan brings long-lasting floral presence that invites pollinators to linger.

Light: Full SunMaturity: 90 DaysHabit: Upright

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Goldsturm Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	Direct Sow	Jun 15th	Sep 13th – Jul 15th
Zone 1b	Direct Sow	Jun 1st	Aug 30th – Aug 1st
Zone 2a	Direct Sow	May 25th	Aug 23rd – Aug 29th
Zone 2b	Direct Sow	May 15th	Aug 13th – Aug 25th
Zone 3a	Direct Sow	May 15th	Aug 13th – Sep 1st
Zone 3b	Direct Sow	May 19th	Aug 17th – Sep 21st
Zone 4a	Direct Sow	May 15th	Aug 13th – Sep 24th
Zone 4b	Direct Sow	May 13th	Aug 11th – Sep 27th
Zone 5a	Direct Sow	May 8th	Aug 6th – Sep 30th
Zone 5b	Direct Sow	May 4th	Aug 2nd – Oct 5th
Zone 6a	Direct Sow	May 1st	Jul 30th – Oct 10th
Zone 6b	Direct Sow	Apr 25th	Jul 24th – Oct 16th
Zone 7a	Direct Sow	Apr 20th	Jul 19th – Oct 20th
Zone 7b	Direct Sow	Apr 10th	Jul 9th – Oct 28th
Zone 8a	Direct Sow	Apr 1st	Jun 30th – Nov 5th
Zone 8b	Direct Sow	Mar 23rd	Jun 21st – Nov 12th
Zone 9a	Direct Sow	Mar 6th	Jun 4th – Nov 26th
Zone 9b	Direct Sow	Feb 9th	May 10th – Dec 9th
Zone 10a	—	Oct 1st	Dec 30th – Feb 28th
Zone 10b	—	Oct 1st	Dec 30th – Feb 28th
Zone 11a	—	Oct 1st	Dec 30th – Feb 28th
Zone 11b	—	Oct 1st	Dec 30th – Feb 28th
Zone 12a	—	Oct 1st	Dec 30th – Feb 28th
Zone 12b	—	Oct 1st	Dec 30th – Feb 28th
Zone 13a	—	Oct 1st	Dec 30th – Feb 28th
Zone 13b	—	Oct 1st	Dec 30th – Feb 28th

Crop Details

Trait	Value
Days to Maturity	90
Sun Requirements	Full Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	55
Min Night Temp (°F)	50
Harden Off (days)	Not Required

Culinary Notes

Chef's Note

Goldsturm’s edible petals bring a sunlit, honeyed hit up front with a dry, tea-bitter edge that stays interesting rather than cloying. Use them like you would an aromatic flower—light hand, then let the citrus or honey carry the show.

Best Uses

use petals sparingly as a garnish for salads and chilled grain bowls
infuse petals briefly in simple syrup or honey for a perfumed sweetness
fold a small handful into compound butter for grilled corn or pan-seared fish

Flavor Profile

floral, honeyed warmth slightly bitter, tea-like finish crisp satiny petal texture

Kitchen Pairings

lemon zest honey fresh goat cheese vanilla black pepper white rum

Frequently Asked Questions

What pest or disease commonly affects Rudbeckia fulgida (Goldsturm), and how do I control it?

A common issue is powdery mildew, which shows up as a gray-white film on leaves, especially during humid stretches. Improve airflow by spacing plants and watering at the soil line, then remove heavily affected leaves early; for home control, use a labeled horticultural fungicide if mildew starts spreading. Also watch for leaf-chewing caterpillars and treat with a product labeled for caterpillars to protect fresh foliage and flower buds.

How often should I water Rudbeckia fulgida during the main growing phase?

During active growth and bud formation, keep the soil evenly moist but not soggy—typically about 1 inch of water per week, adjusted for rainfall and heat. Water deeply when the top 1 inch of soil dries out, and avoid frequent light sprinkling that keeps foliage wet and encourages mildew. Once established, Goldsturm is fairly drought-tolerant, but consistent moisture improves flower count.

How can I tell when Goldsturm (Rudbeckia fulgida) is ready to harvest?

Harvest the flowers for cut arrangements when the ray petals are fully displayed and the central dark disk is firm and dark (not shriveled or mushy). For seed harvest, wait until the central disk florets turn dry and brown and the seeds loosen easily when gently rubbed. Aim for early morning harvest for the best stem and petal condition, since blooms wilt faster during hot afternoons.