Illustration
Black Hero Double Peony Tulip
Tulipa 'Black Hero'
Also called black hero
Black Hero Double Peony Tulip blooms from May through May.
Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.
Growing Black Hero Double Peony Tulip
Plant it in full sun. It prefers moderate water. It is hardy in USDA zones 3–8. Expect it to reach about 20 in tall and 6 in wide at maturity, in roughly 1 year (a house reading).
Is Black Hero Double Peony Tulip toxic to dogs or cats?
- Listed as toxic to dogs and cats by NC State Extension and Pet Poison Helpline.
- Listed as poisonous to people by Royal Horticultural Society.
Lists differ and none is complete. If a pet eats a plant and seems unwell, call a veterinarian or a pet poison helpline.
What was checked
Mature height and spread, hardiness zones, sun, water, bloom months and color and the trait tags were checked against named botanical sources for this plant, with what the sources could not settle written down; years to mature size rests on a recorded house rule where no publisher states one, and is marked so; its common name and alternate names have not been checked yet. Each fact above carries its own mark. The planting, spacing and size sections are derived from these checked facts by a fixed rule, not checked separately, and the plant type is the library's own classification.
When to plant Black Hero Double Peony Tulip
Black Hero Double Peony Tulip is a fall-planted bulb: get it in the ground 6 to 8 weeks before the ground freezes, typically September or October in zone 5, the middle of its hardy zones 3 to 8. It pays you back the following May.
Month-by-month timing for your zone is on the planting calendar; if you garden near zone 5, the middle of this plant's hardy range, start with zone 5 in September. Derived from the plant's category, zones and bloom months plus typical zone frost dates, not checked separately.
How big does Black Hero Double Peony Tulip get?
20 intall5 ft 7 inan adult6 inwideSee Black Hero Double Peony Tulip in a garden plan: the planner shows it in 3D beside everything else you add, growing toward this size over the years.
Where these facts come from
Black Hero Double Peony Tulip's height, spread, hardiness zones, sun, water, bloom months and color, trait tags, soil, diseases, pests and toxicity were checked against 11 published sources on October 5, 2026. Each one is linked below with every fact it carried, which can include a fact this page still marks as not yet checked, because a source carrying a value is not the same as the value being held to the standard. Facts not in that list, and the planting, spacing and size sections, are not covered by these sources.
- Plant Addictsthe queue's storeheight, spread, hardiness zones, sun, water, bloom months and color, trait tags, soil and pests
- RHSRoyal Horticultural Societyheight, spread, sun, water, bloom months and color, soil, diseases, pests and toxicity
- trueleafmarket.comTrue Leaf Marketheight, spread, hardiness zones, bloom months and color, trait tags, soil and diseases
- Chicago Botanic GardenTulips plant profile, a genus pagesun, water, bloom months and color and soil
- fedcoseeds.comFedco Seeds (Clinton, Maine)height, hardiness zones, bloom months and color and trait tags
- Longfield GardensLakewood, New Jerseyheight, hardiness zones, bloom months and color and trait tags
- Missouri Botanical GardenPlant Finder (Tulipa (group), a GENUS page)spread, hardiness zones, sun, water and diseases
- nijssenbulbs.comPeter Nijssen (Heemstede, Netherlands)height, sun, bloom months and color and trait tags
- NC State Extensiontrait tags, pests and toxicity
- ASPCATulip, Tulipa spp.toxicity
- ttseeds.comTT Seedsheight
How the checking works, and what each standard covers, is on the verified plants page.
Good to know about Black Hero Double Peony Tulip
Curated from university extensions, botanic gardens and other primary sources, with the source named on every note.
Safety
Mildly toxic: eaten, tulips sicken dogs, cats and horses, and handling the bulbs can raise a rash called 'tulip fingers'. The bulb is the worst part. per ASPCA
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Design a garden with this
Drop this plant onto a 3D plan, see how it fills in, and watch your whole garden bloom across the year.