Quercus coccinea
Quercus coccinea · Fagaceae
📷 Jay Sturner from USA · CC BY 2.0
The gardener's calendar
In autumn, ease off feeding and take the chance to clean up around quercus coccinea and prepare for winter.
ID card
- Foliage
- Deciduous
- Flowering
- April to May
- Adult size
- Up to 20 m tall
- Growth
- Moderate to rapid
- Hardiness
- Very hardy (−20 °C)
- Origin
- North America
- Soil type
- Well-drained, slightly acidic
✓ Taxonomy verifiedSource: AI estimate · hardiness: reliability high.
Expert tips
The key tip
Scarlet oak needs space to develop fully and appreciates non-compacted soils. Water moderately in the first year; once established, it's happy with natural rainfall.
The common mistake
Over-watering in the belief you're 'supporting' it in the early years.
The pro's trick
Light pruning in winter to guide branching; scarlet oak responds well to gentle early direction, unlike other oaks that don't tolerate it well.
Seasonal watch
Autumn: lack of dry conditions in September-October reduces scarlet coloring.
Care
Exposure
The scarlet oak demands full sun to thrive fully and develop its spectacular autumn coloration. Plant it in an open location, away from the shadow of other trees or buildings. A south or west-facing exposure is ideal in temperate regions.
Watering
Once established (after 2–3 years), this tree tolerates relative drought well. Water regularly during the first year, then gradually reduce frequency. During prolonged dry spells, a deep watering in summer helps strengthen the root system.
Soil
Prefer well-drained and slightly acidic to neutral soil. The scarlet oak dislikes compacted or chalky soils. Enrich the planting hole with compost or peat to encourage initial rooting.
Pruning
Little pruning is necessary. Remove dead or diseased branches in late winter. Prune lightly when young to form a good structure, then let the tree grow naturally. Avoid severe pruning, which heals poorly.
Fertilizing
An annual application of well-rotted compost at the base is usually sufficient. In poor soil, a balanced fertilizer in spring encourages vigor. Avoid excess nitrogen, which slows autumn coloration.
Diseases and Pests
The scarlet oak is robust but may be affected by powdery mildew in humid conditions. Good air circulation prevents problems. Watch for scale insects and aphids on young plantings, treatable by early sprays if needed.
Did you know?
The scarlet oak lives up to its name: in autumn, its leaves turn a spectacular scarlet red, sometimes tinged with orange or purple. This remarkable transformation, visible from afar, makes it an iconic tree of North American forests in fall, and a highly sought-after horticultural treasure in Europe for creating landscape drama.
Where to buy it
Best planted in autumn so the roots settle in before summer, or in early spring once the frost has passed. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, October, November.
Add this plant to my garden →Plants from the same family
- Pedunculate oakQuercus robur
- European beechFagus sylvatica
- Sessile oakQuercus petraea
- Sweet chestnutCastanea sativa
- Downy oakQuercus pubescens
- Holm oakQuercus ilex
Tips generated and checked by Viridia — adapt them to your local climate.