
Summer Red Maple
Acer rubrum 'Summer Red'
Essentials
At a Glance
Plant Type
Tree
Height
540 inches
Width
420 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8
Water
Medium to wet
Humidity
Moderate to high
Lifespan
60-90 years
Native To
Eastern North America
Toxicity
Leaves are toxic to horses if ingested when wilted.
The Story
Plant Bio
Acer rubrum is a fast-growing, deciduous tree native to eastern North America, prized for its brilliant red fall color and early spring flowers. It is one of the most common and widespread deciduous trees in its native range. 'Summer Red' is distinguished by its new foliage, which emerges a vibrant burgundy-red in spring, maturing to dark green in summer. It then produces a brilliant orange to red fall color.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Select a site with full sun to partial shade and acidic soil.
- Dig a hole two to three times wider than the root ball.
- Ensure the root flare is at or slightly above ground level.
- Backfill with the native soil, removing any large rocks or debris.
- Water deeply and thoroughly immediately after planting to settle the soil.
- Apply a 3-inch layer of mulch, keeping it away from the trunk.
Pro Tip
Provide supplemental water during dry spells for the first few years to prevent leaf scorch and encourage vigorous growth.
Keep It Thriving
Care Guide
Do
- Water regularly, especially during establishment and drought periods.
- Perform a soil test and amend if pH is too high (alkaline).
- Prune in late winter or early spring while the tree is dormant.
- Monitor for pests like aphids and scale, especially on new growth.
Don't
- Do not plant in highly alkaline or compacted dry soils.
- Avoid piling mulch directly against the trunk, as it can cause rot.
- Do not fertilize heavily with nitrogen, which can force weak growth.
- Avoid major pruning in late spring or summer when sap is flowing.
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mulch | ||||||||||||
| Plant | ||||||||||||
| Prune |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Summer Red Maple questions
What zones can Summer Red Maple grow in?
Summer Red Maple is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Summer Red Maple deer resistant?
Yes — Summer Red Maple is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Summer Red Maple bloom?
Summer Red Maple typically blooms in early spring through early spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Summer Red Maple need full sun?
Summer Red Maple does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Summer Red Maple drought tolerant?
Yes — once established (usually after the first full season), Summer Red Maple handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
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