The illustrated growing guide
Ninebark
Physocarpus opulifolius
Family Rosaceae
Est. zones 2-8
The native answer to purple-leaf exotics: -40°F hardy, drought-blind, pollinator-fed, with peeling winter bark as the ninth act. Modern compacts fixed the mildew and the size.
Full Sun
Low water
Fast growth
Native to North America
Attracts bees
From the print shop
Growing ninebark? Hang it.
Our Native Missouri Plants collection carries ninebark — Physocarpus opulifolius, print Nº 11, “Ninebark.”
16 designsfrom $21.99white or black groundmatte poster, unframed
I
Overview
Will ninebark suit your garden, and what goes wrong.
Will it thrive where you are?
Enter your ZIP — we look up your USDA hardiness zone (2023 map) and check it against what ninebark actually needs.
Hardy inZones 2-8Ninebark at a glance
Common ninebark problems
- Aphids on tips (beneficials usually handle)
- Powdery Mildew on some purple cultivars
II
Growing
Light, water, soil, propagation and the season’s jobs.
How to grow ninebark: light, water & soil
How to plant & propagate ninebark
When to spray ninebark
Growing season. Choose mildew-resistant modern cultivars.
III
The year
What ninebark asks for, month by month.
The ninebark year, month by month
BloomWhat each band means
- Bloom — flowers open — pollinators working, frost on blossoms is the danger.
The ninebark year as text
- Jan quiet month
- Feb quiet month
- Mar quiet month
- Apr quiet month
- May bloom
- Jun bloom
- Jul quiet month
- Aug quiet month
- Sep quiet month
- Oct quiet month
- Nov quiet month
- Dec quiet month
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.
Ninebark in the garden system
- Shrub layer shrub
- Nectary/insectary
What ninebark is grown for
✓ Not known to be toxic
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 ninebark, ruled as a catalogue.
Best ninebark varieties & cultivars
'Diabolo' (wine-purple); 'Amber Jubilee' (flame); 'Little Devil' (dwarf, mildew-resistant); 'Dart's Gold'
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 ninebarkyet. The care figures below come from the library's own catalogue rather than a traced primary source.
Plant ID
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
Ninebark questions, answered straight.
Is ninebark safe for kids and pets?
Ninebark 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 ninebark?
Seed (stratify), cuttings, or layering.
IX
Elsewhere
Where ninebark sits in the library.
Rose
Hydrangea
Common Lilac
Forsythia