Sweetgum
Liquidambar styraciflua
Family Altingiaceae
Sweetgum turns fall into a single-tree fireworks show — glossy, star-shaped leaves going burgundy, orange, red, and gold all at once, often on the same branch. It is a fast native shade tree that reaches sixty to seventy-five feet, and its one flaw has already been solved.
The flaw is the spiky gumballs wild trees rain down all winter — so plant the fruitless cultivar 'Rotundiloba' and skip them entirely, keeping the color, the fast shade, and the birds. Adaptable even in wet ground, it's the rare quick tree that ages beautifully. Choose the tidy one.
Full Sun
Moderate water
Fast growth
Native to North America
From the print shop
Growing sweetgum? Hang it.
Our Plant Library collection carries sweetgum — Liquidambar styraciflua, print Nº 469, “Sweetgum.”
526 designsfrom $12.99white or black backgroundmatte poster, unframed
Will it fruit where you are?
Enter your ZIP — we look up your USDA hardiness zone (2023 map) and check it against what sweetgum actually needs.
Hardy inZones 5-9
PollinationSelf-fertileSweetgum · Common problems
Common sweetgum problems
Pests
2 problems on file
- Almost none significant
- Fall Webworm
Diseases
3 problems on file
- Almost none
- Botryosphaeria Canker
- Bacterial Leaf Scorch
Sweetgum · Growing & propagation
Growing sweetgum
- Light
- Full Sun
- Water
- Moderate
Adaptable, tolerates wet
Soil- Deep, moist, slightly acid · pH 6.0 - 6.8
Fertilizer- None
Pruning- Late Winter
Train a central leader; little else. The star-shaped leaves give spectacular multicolored fall color.
Spacing- 30+ ft
How to plant & propagate sweetgum
- Propagate
- Seed (stratify), cuttings, or layering
Sweetgum · Calculators & field guides
A little help in the garden.
Sweetgum · Yearly calendar
The sweetgum year, month by month
Jan
HarvestDecember to February
BloomPrune
HarvestBloomMarch to May
PruneFebruary to March
HarvestDecember to February
What each band means
- Bloom — flowers open — pollinators working, frost on blossoms is the danger.
- Prune — shape it now — cuts heal cleanly and structure is visible.
- Harvest — picking time — check ripeness every few days.
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.
Sweetgum · Ecology & uses
Ecology & uses
Liquidambar styraciflua
Sweetgum in the garden system
- Canopy layer tree
Attracts- Birds
- Moisture
- Facultative / average
Deer- Browsed
Protect young plants
- Origin
- Native to North America
What sweetgum is grown for
✓ Commonly eatenthe gumballs are a trip hazard, not toxic
- Use
- Fall color
Plant fruitless!
- Use
- Fast shade
Harvesting & storing sweetgum
Spiky 'gumball' seed capsules drop all winter — the notorious downside.
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.
Sweetgum · Varieties & cultivars
Choosing a sweetgum variety
'Rotundiloba' (FRUITLESS — no gumballs, the cultivar to plant); 'Slender Silhouette' (narrow, fruitless-ish); 'Worplesdon'
Sources & plant identity
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Sweetgum
Liquidambar styraciflua
The plant, at a glance.
- Botanical name
- Liquidambar styraciflua
- Plant family
- Altingiaceae
- Growth habit
- Tree · Perennial
- Origin
- Native to North America
- USDA plant symbol
- LIST2
- Invasive risk
- Low
Hardiness, size and timing vary with your cultivar, soil and climate.
Rooted in research.
University extension research, brought together with hands-on growing experience at Story Thyme Farms.
Questions
Sweetgum questions, answered straight.
Do I need two sweetgum plants to get fruit?
No — sweetgum is self-fertile, so a single plant will set a crop. A second one usually improves yields, but it isn't required.
Is sweetgum safe for kids and pets?
Sweetgum 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. One caveat on this one: the gumballs are a trip hazard, not toxic. Never eat a plant you haven't positively identified, and check with a vet before letting pets or livestock graze anything new.
When do you harvest sweetgum?
Spiky 'gumball' seed capsules drop all winter — the notorious downside.
How do you propagate sweetgum?
Seed (stratify), cuttings, or layering.
Elsewhere
Where sweetgum sits in the library.
Maple
Oak
Tulip Poplar
Bald Cypress