Here is what Smooth Sumac needs to thrive.

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Smooth Sumac

Rhus glabra

Zones 3–9

Growing

This hardy shrub thrives in rugged environments, making it an excellent choice for dry, rocky hillsides or areas with poor, well-drained soil. While it is remarkably adaptable and can even tolerate slightly saline conditions, you should be mindful of its vigorous growth habit. Because it spreads via underground rhizomes and produces root suckers, it has the potential to form dense thickets that may displace other garden plants. If you are planting it in a confined space, consider managing its spread to prevent it from becoming weedy in your landscape.

If you choose to propagate from seed, success depends on providing continuous light and a cycle of alternating warm and cool temperatures to trigger germination. For established plants, you can also use root cuttings. When the shrub is established, it is incredibly resilient and can survive hard freezes and even withstand the heat of a fire, as its rhizomes remain protected just below the soil surface.

When looking for the characteristic fruit, you will notice the stems and branches are notably hairless and coated in a distinctive whitish, waxy substance. The leaves are large and pinnately compound, featuring many sharply serrated leaflets that are dark green on top and pale underneath. This plant is most at home in full sun or partial shade, mimicking the open woodlands and prairies where it naturally occurs.

Stats
Sunfull sun
Waterlow
Grow time>150 days
Height3–6ft
Spacing>24in
Light
Full sun✓
Part shade✓
Shade✗
Traits
Life cycleperennial
Categoryfruiting
Growth habitshrub
Seasonwarm
Frost tolerancehardy
Height3–6ft
Spacingover 24in
Days to maturityover 150
Days to bloomover 150
Native us✓
Growing
Waterlow
Drainagewell drained
Soil ph min4.5
Soil ph max8.0
Propagation
Seed✓
Cutting✓
Division✗
Graft✗
Tuber bulb crown✗
Transplant✓
Container ok✓
Pollinationself fertile
Pollinator friendly✓
Toxic parts
Leaves✗
Seeds✗
Raw✗
Spreadrunners
Deer resistant✗
Drought tolerant✓
Toxic to
People✗
Pets✗
Livestock✗
Post harvest
Wash before storing✓
Ripens off plant✗
Curing daysnone
Shelf lifeover 3mo
Storage methods
Room temp✓
Cool dark✓
Fridge✗
Freeze✓
Can✓
Dry✓
Ferment pickle✓
Blanch before freezing—
Bloom
Lengthunder 2wk
Colors
White✗
Yellow✓
Orange✗
Red✗
Pink✗
Purple✗
Blue✗
Green✓
Pollinators
Visitors
Honey bees✓
Native bees✓
Bumblebees✓
Butterflies✓
Moths✓
Hummingbirds✗
Beneficial insects✓
Nectarmedium
Pollenmedium
Larval host✓
Specialist bees—
Seed for birds✓
Invasive
Statusinvasive
Regions
Northeast✗
Southeast✗
Midwest✗
Plains✗
Southwest✗
Mountain west✗
Pacific northwest✗
California✗
Hawaii✗
State noxious✗
Escapes cultivation✓
Calendar, zone 7
JanFebMarAprMayJunJulAugSepOctNovDec
Sownoyesyesyesyesnonononononono
Harvestnononononononoyesyesyesyesyes