Winged Sumac FAQ

Is winged sumac poisonous?

No. Winged sumac (Rhus copallinum) is not poisonous, neither to touch nor to eat. The confusion comes from sharing a common-name prefix with poison sumac (Toxicodendron vernix), a different genus that grows in wet swamps and produces drooping clusters of white berries. Winged sumac has upright red berry cones on a plant of dry uplands.

How do I tell winged sumac apart from poison sumac?

Three quick checks:

• Habitat. Winged sumac grows in dry uplands, old fields, and rocky slopes. Poison sumac grows almost exclusively in wet swamps and bogs.
• Berry color. Winged sumac has deep red berries. Poison sumac has white or cream-colored berries.
• Berry orientation. Winged sumac berries form tight, upright cones. Poison sumac berries hang in loose, drooping clusters.

For a full visual comparison, see our winged sumac vs other sumacs guide.

Is winged sumac native?

Yes. Winged sumac is native to a large portion of the central and eastern United States and into eastern Canada, from Texas and Oklahoma east to the Atlantic, and from Florida north to Maine and southern Ontario.

Is winged sumac invasive?

Winged sumac is native to its growing range, so by definition it is not invasive there. It is, however, an aggressive native, it spreads via root suckers and can form large colonies. Plant it where colonizing growth is welcome (slopes, hedgerows, restoration plantings), or be prepared to mow suckers if you want a single specimen.

How tall does winged sumac get?

Most plants reach 6–15 feet tall with a canopy spreading roughly 10–20 feet wide on a relatively narrow base. The trunk itself stays slender; the apparent "width" is the canopy of upper branches. Older stands also expand sideways via root suckers. In ideal conditions or trained as a small tree, individuals can occasionally reach 20–25 feet.

How fast does winged sumac grow?

Once established, expect 1–3 feet of new growth per year, sometimes more in warm climates with good moisture. First-year growth often looks modest as young plants invest energy in building a root system. Visible top growth picks up in years two and three.

What growing conditions does winged sumac need?

• Sun: Full sun, at least 6 hours per day.
• Soil: Well-drained. Winged sumac actually prefers poor, rocky, or sandy soils to rich loams.
• Water: Drought tolerant once established. Young plants need consistent water during their first season.
• pH: Adaptable from acidic to slightly alkaline.

The number-one mistake is planting it in poorly drained or waterlogged soil. Winged sumac will not tolerate wet feet.

What hardiness zones does winged sumac grow in?

USDA zones 4 through 9, which covers most of the continental United States.

Is winged sumac deer resistant?

Largely yes. Deer will sample it occasionally but rarely return. It's considered one of the more dependably deer-tolerant native shrubs.

When does winged sumac bloom?

Midsummer (typically June into July, depending on climate). The flowers are small, greenish-yellow panicles that are easy to overlook but important to native bees and other pollinators.

Is winged sumac edible?

Yes. The red berry coating has been used for centuries to make sumac lemonade, sumac tea, and ground sumac spice. The flavor is tart-lemony, similar to commercial sumac spice made from Rhus coriaria. See our complete guide to edible sumac and its culinary uses for recipes.

What does sumac taste like?

Tart, lemony, and lightly fruity, like a cross between lemon zest, dried cranberry, and a hint of grape skin. The souring agent is malic acid, the same compound that makes green apples crisp.

Can I make sumac spice from my own winged sumac plants?

Yes. Pick ripe berry clusters on a dry day, dry them indoors for 7–14 days, rub the dried berries through a sieve to separate the tart outer coating from the woody seeds, then grind the coating into a powder. See the harvesting and drying section for full instructions.

What's the difference between winged sumac and the sumac spice in stores?

Most commercial sumac spice is made from Rhus coriaria, a Mediterranean species. Sumac powder made from native winged sumac, staghorn sumac, or smooth sumac is virtually identical in flavor and can substitute 1:1 in any recipe.

Why do winged sumac seeds need to be scarified?

Winged sumac seeds have a hard outer coat that must be softened before they will germinate. A brief hot-water soak followed by 30–90 days of cold stratification mimics the natural heat and winter signals that wild seeds normally need to break dormancy.

How long do winged sumac seeds take to germinate?

After proper scarification and cold stratification, expect germination in 2–6 weeks when seeds are planted in warm, bright conditions. Germination is naturally uneven, some seeds sprout quickly while others wait, even up to the following season.

Can I sow winged sumac seeds directly outdoors?

Yes, this is Method B in our planting guide. Direct-sow in late fall or winter and let natural cold, moisture, and time stratify the seeds. Germination is less predictable than the refrigerator method but requires no prep.

When is the best time to plant winged sumac seeds?

For Method A (refrigerator stratification): start 8–12 weeks before your target planting date. For a typical April–May plant-out, that means beginning the cold stratification in late January or early February. After stratification, sow within 1–2 weeks; don't let the seeds dry back. For Method B (direct sowing): sow in late fall or early winter so the seeds experience natural cold over winter. In warmer climates (USDA zones 8–9), fall planting of stratified seeds is often preferred so roots establish during the cooler, wetter season before summer heat.

How long can I store winged sumac seeds before planting?

Winged sumac seeds have a famously hard seed coat and remain viable for at least 10 years when stored in a sealed envelope in a cool, dry place. You can plant some of your pack this year and save the rest for next season, the year after, or several years later, with no meaningful loss of germination as long as the seeds stay dry, cool, and out of direct sunlight.

Do all the seeds sprout?

No, and that's normal. Native seeds rarely germinate at 100 percent. The staggered germination is a survival strategy. It spreads sprouting across multiple years so that no single weather event can wipe out a whole generation. We recommend ordering a few more seeds than your target plant count.

Are some of your seeds male and some female?

Yes, and that's a good thing. Winged sumac is dioecious, meaning each plant grows up as either male or female. Roughly half of any seed batch produces each sex, and since every pack we sell contains hundreds of seeds, your stand is guaranteed to include both. Males contribute the nectar-rich flowers that feed pollinators; females produce the signature upright red berry cones that feed wildlife. You need both to get berries, and you'll have both.

What birds eat winged sumac berries?

More than 20 species, including cedar waxwings, robins, bluebirds, chickadees, cardinals, mockingbirds, brown thrashers, ruffed grouse, wild turkeys, and many others. The berry cones persist through winter, providing food at a season when softer fruits are gone. Full list on the wildlife benefits page.

Do pollinators use winged sumac?

Yes, heavily. Midsummer flower panicles support native bumblebees, sweat bees, mason bees, honeybees, paper wasps, hoverflies, and other beneficial insects. Sumac is a major nectar plant across its native range.

Is winged sumac good for erosion control?

Yes. Deep, spreading roots and aggressive sucker growth make winged sumac one of the better native plants for stabilizing dry slopes, road cuts, and disturbed ground.

Where do your seeds come from?

Our winged sumac seeds are wild-harvested by hand from native stands in Arkansas, then cleaned, inspected, and packed for shipment. No chemical treatments, no hybrids, just clean native seed.

Do you ship outside the United States?

We currently ship within the United States only. Native plant seeds are subject to international agricultural import regulations that vary by country, and we don't have the resources to navigate them at this time.

Do you offer wholesale or bulk pricing?

Yes, we work with restoration projects, conservation organizations, and commercial growers on bulk and wholesale orders. See our wholesale contact for details.

How long until my seeds arrive?

See our shipping information for current handling and delivery times.