The illustrated growing guide

Black-eyed Susan

Rudbeckia fulgida

Family Asteraceae

Est. zones 3-9

Botanical illustration of Black-eyed Susan
Perennial · Rudbeckia fulgida

The golden engine of American perennial beds — blooms through drought, feeds finches all winter if you skip the fall cleanup. 'American Gold Rush' fixed the leaf-spot complaint.

Perennial · NativeFull SunLow waterFast growthNative to North AmericaAttracts butterfliesAttracts bees

Where to buy the plant — 1 nursery

Black Eyed Susan — a print from the Garden Blooms collection

From the print shop

The closest print we make

We don’t print Rudbeckia fulgida. The closest we have is Rudbeckia hirta (“Black Eyed Susan”) in the Garden Blooms collection — the same genus, Rudbeckia, not the same species.

16 designsfrom $21.99white or black groundmatte poster, unframed

Shop Garden Blooms botanical prints →

I

Overview

Will black-eyed susan suit your garden, and what goes wrong.

Will it fruit where you are?

Enter your ZIP — we look up your USDA hardiness zone (2023 map) and check it against what black-eyed susan actually needs.

Hardy inZones 3-9

Black-eyed Susan at a glance

HardinessUSDA 3–9
Mature size2-3 ft
PollinationBees, butterflies; goldfinches raid seed heads
Chill requirementNot yet established
Bloom seasonJuly - September
Harvest seasonNot yet established
Growth rateFast

Common black-eyed susan problems

II

Growing

Light, water, soil, propagation and the season’s jobs.

How to grow black-eyed susan: light, water & soil

LightFull Sun
WaterLow once established
SoilAny drained soil · pH 5.8 - 6.8
FertilizerNone needed
PruningSpring (leave heads up for winter birds) — Cut to basal growth in spring; divide every 4 years when centers thin.
Spacing18 in

How to plant & propagate black-eyed susan

PropagateDivision or seed

III

The year

What black-eyed susan asks for, month by month.

The black-eyed susan year, month by month

MonthJanFebMarAprMayJunJulAugSepOctNovDec
Bloom
Prune

What each band means

  • Bloomflowers open — pollinators working, frost on blossoms is the danger.
  • Pruneshape it now — cuts heal cleanly and structure is visible.

The black-eyed susan year as text

  • Jan pruning
  • Feb pruning
  • Mar pruning
  • Apr pruning
  • May pruning
  • Jun quiet month
  • Jul bloom
  • Aug bloom
  • Sep bloom
  • Oct quiet month
  • Nov quiet month
  • Dec pruning

These are the species' typical months — expect them a few weeks earlier in warm zones and later in cold ones. Watch the plant, not just the calendar.

IV

Ecology & uses

What it does for the garden, and what it is grown for.

Black-eyed Susan in the garden system

  • Herbaceous layer perennial
  • Nectary/insectary
  • Keystone: Keystone perennial — hosts 20+ caterpillar species
AttractsButterflies, Bees, Birds
MoistureUpland / dry
DeerBrowsed — protect young plants
OriginNative to North America

What black-eyed susan is grown for

✓ Commonly eaten

UseMassing
UseNative beds
UseCut flowers

Edibility, identification, and traditional-use notes here are general reference — not medical or veterinary advice, and not a claim that any plant treats or prevents anything. Medicinal ratings record how strongly a plant features in herbal tradition, nothing more. Never eat or dose a plant you have not positively identified. More on how to use this library.

V

Cultivars

Named varieties of black-eyed susan, ruled as a catalogue.

Best black-eyed susan varieties & cultivars

'Goldsturm' (the standard); 'American Gold Rush' (spot-resistant upgrade); R. hirta 'Cherokee Sunset' (annual types)

VI

Sources & plant ID

Where the care distinctions come from, and how the plant is filed.

Research basis

Sources behind this profile

No extension citations are attached to black-eyed susanyet. The care figures below come from the library's own catalogue rather than a traced primary source.

Plant ID

BinomialRudbeckia fulgida
FamilyAsteraceae
TypePerennial
USDA symbolRUFU2
OriginNative to North America
Invasive riskLow

VII

Where to buy

Third-party nurseries — not Story Thyme Farms.

Third-party nurseries, not Story Thyme Farms. Prices are theirs.

Story Thyme Farms may earn a small commission from these links, at no cost to you — it never changes what we recommend.

VIII

Questions

Black-eyed Susan questions, answered straight.

Is black-eyed susan safe for kids and pets?

Black-eyed Susan is commonly eaten and isn't considered toxic, but "commonly eaten" isn't a guarantee for any particular person or animal — allergies, quantity, and which part you eat all matter. Never eat a plant you haven't positively identified, and check with a vet before letting pets or livestock graze anything new.

How do you propagate black-eyed susan?

Division or seed.

IX

Elsewhere

Where black-eyed susan sits in the library.

Where black-eyed susan sits in the library

Grows in the same world