A Golden-Glowing Shade Tree That Lights Up the Yard

Sunburst Honeylocust (Gleditsia triacanthos var. inermis 'Suncole') is the standout golden honeylocust — its new growth emerges a brilliant butter-yellow and matures to golden-green, so the whole canopy seems to glow with sunlight all season long. The fine, ferny compound foliage casts light, dappled shade that lawns and perennials happily grow beneath, and as a thornless, essentially podless selection it's clean and well-behaved. Fast-growing, urban-tough, and hardy to zone 4, it shrugs off drought, salt, and poor soil. Whether you're planting a glowing specimen in Edina, a fine-textured lawn tree in Woodbury, or a tough boulevard tree in St. Paul, Sunburst brings bold color and easy elegance.

Sunburst Honeylocust Plant Details

Sunburst Honeylocust Uses in Minnesota Landscapes

Golden Specimen Tree

The butter-yellow new growth glowing against golden-green foliage makes Sunburst a true focal point — a single specimen lights up an open lawn or entry in Edina or Plymouth with color that lasts all season, not just a few weeks.

Light-Shade Lawn Tree

Unlike dense shade trees, honeylocust casts a fine, dappled shade that lets grass and perennials thrive right up to the trunk. That makes Sunburst ideal where you want shade and color without sacrificing the lawn or garden beneath.

Tough, Clean Urban and Boulevard Tree

Thornless, essentially podless, and tolerant of drought, salt, and compacted soil, Sunburst is a clean, low-litter choice for boulevards and street-side plantings in Minneapolis and St. Paul where conditions are harsh.

Best Time to Plant Sunburst Honeylocust in Minnesota

Honeylocust is deciduous, so you have two good planting windows in the Twin Cities:

Spring (late April–May), once the ground has thawed, is excellent — the tree gets the full growing season to establish before its first winter.

Fall (September–mid-October) also works well. Plant at least six weeks before the ground freezes so roots can settle in. Avoid mid-summer planting when heat stress is highest, and never plant into frozen ground.

How to Plant Sunburst Honeylocust

1. Dig wide, not deep — the hole should be 2–3 times the root ball width but only as deep as the ball itself. In heavy clay, dig even wider.
2. Check drainage — if water pools in the hole, break through clay hardpan or mound-plant slightly to keep roots out of standing water.
3. Backfill with the native soil mixed with 20–30% compost. Don't create a pure-compost "container" in clay.
4. Set the tree so the top of the root ball sits at or just above grade. Allow room for the 25–35 foot mature spread.
5. Build a 3–4 inch water basin around the root zone to direct water to the roots; flatten it before winter.
6. Mulch with 2–3 inches of shredded bark or wood chips, kept 2 inches from the trunk, and wrap the young trunk the first winter or two.

Watering Sunburst Honeylocust in Minnesota

First Year Watering Schedule

Weeks 1–2: water every 1–2 days, deep and slow. Month 1–2: every 3–4 days. Month 3 through fall: every 5–7 days during active growth, less when rainfall is adequate. Stop watering 2–3 weeks before the ground freezes in late October so the tree can harden off for winter.

After Year One

Established Sunburst Honeylocust is notably drought-tolerant, needing supplemental water mainly during extended dry spells (2+ weeks with no rain). Water deeply to 6–8 inches every 7–14 days during drought, and let natural rainfall do most of the work.

Will Sunburst Honeylocust survive a Minnesota winter? Yes — it's hardy to about -30°F and well adapted to the Twin Cities.

What makes the foliage golden? New growth emerges a vivid butter-yellow and matures to golden-green, so fresh golden tips keep appearing all season — a continuous glow rather than a brief spring flush.

Is it thorny or messy? No — this is a thornless, essentially podless selection, so there are no hazardous thorns and very little litter, unlike the wild honeylocust species.

Can grass grow under it? Yes — its fine, dappled shade is famously lawn-friendly, letting grass and perennials thrive right up to the trunk.

You May Also Like

• Autumn Gold Ginkgo — a tough shade tree with brilliant golden fall color.
• Common Hackberry — a bombproof native shade tree for tough sites.
• Eye Stopper Cork Tree — a tough, seedless shade tree with striking corky bark.
• Northern Catalpa — a bold, fast-growing native shade tree with showy summer flowers.

How Many Sunburst Honeylocust Do I Need?

Sunburst is a specimen tree — its golden glow is strongest as a single focal point with 25–30 feet of clearance from buildings and other trees. For a driveway pair or short informal row, space 25–30 feet on center; more than two or three in view can dilute the "one glowing tree" effect that makes it special.

Sunburst Honeylocust Season-by-Season in Minnesota

• Spring: Leafs out late with brilliant butter-yellow new growth — the brightest moment of the year — plus small fragrant flowers that feed bees.
• Summer: Fresh gold tips keep emerging over golden-green foliage, so the canopy glows all season while casting lawn-friendly dappled shade.
• Fall: The whole tree turns clear gold; tiny leaflets disappear into the lawn with almost no raking.
• Winter: A clean, open branch structure with no pods to drop — tidy bones against the snow.

At a Glance

✔ Pollinator-Friendly   ✔ Deer-Resistant   ✔ Salt-Tolerant   ✔ Drought-Tolerant

Plant It With

• Autumn Gold Ginkgo — doubles down on gold with brilliant fan-shaped fall foliage.
• Common Hackberry — bombproof native green backdrop that makes the gold pop.
• Eye Stopper Cork Tree — striking corky bark for winter interest beside Sunburst's clean lines.
• Northern Catalpa — bold foliage and showy summer flowers for dramatic contrast.

Is Sunburst Honeylocust Right for Your Yard?

Plant Sunburst in full sun — the gold fades in shade — anywhere you want season-long color on a tough, salt- and drought-tolerant frame that still lets the lawn grow beneath it. It's not a fit if you want deep, dense shade or a formal dark-green look: the canopy is light and the color is loud, and that's exactly the point.