Kentucky coffeetree
Gymnocladus dioicus · Fabaceae
📷 romana klee from usa · CC BY-SA 2.0
The gardener's calendar
In autumn, ease off feeding and take the chance to clean up around kentucky coffeetree and prepare for winter.
ID card
- Scientific name
- Gymnocladus dioicus
- Family
- Fabaceae
- Type
- Deciduous tree
- Mature height
- 12 m
- Flowering
- May to June
- Foliage
- Deciduous, bipinnate, highly ornamental
- Hardiness
- Excellent, zones 3 to 8
- Origin
- North America (United States and Canada)
- Growth rate
- Moderate
✓ Taxonomy verifiedSource: AI estimate · hardiness: reliability high.
Expert tips
The key tip
Gymnocladus dioicus has slow growth in its early years (patience!), but it accelerates over time. It loves sunshine and isn't afraid of soil compaction.
The common mistake
Thinking a large tree needs constant care, people water it too much or enrich it with compost, which creates weak growth and reduces its hardiness.
The pro's trick
Plant young trees in spring and weed around the base for the first three seasons.
Care
Sunlight
The Kentucky coffeetree appreciates full sun for optimal fruiting and development. It tolerates light partial shade. Plant it in an open location where it will benefit from at least 6 hours of direct daily light to reach its full potential.
Watering
Once established, the Kentucky coffeetree is very drought-tolerant thanks to its deep root system. Water regularly during the first year after planting to promote rooting. After that, simply water during prolonged dry spells.
Soil and planting
Prefer well-drained, fertile, and slightly deep soil. The Kentucky coffeetree adapts to a wide range of pH levels and tolerates both calcareous and acidic soils. Avoid waterlogged areas where water stagnates permanently.
Pruning
No pruning is necessary except to remove dead or poorly oriented branches, preferably in late winter. This large tree develops naturally in a harmonious and open form. Limit interventions to preserve its natural habit.
Fertilizing
The Kentucky coffeetree, being a nitrogen-fixing legume, does not require regular fertilizer applications. A compost application at the base during planting is generally sufficient. In case of visible deficiencies, prefer a balanced fertilizer applied in spring.
Health and pests
The Kentucky coffeetree is remarkably hardy and little susceptible to diseases. No major pests or pathogens significantly affect this tree in temperate climates. Minimal maintenance is sufficient to keep it in excellent condition.
Did you know?
Gymnocladus dioicus is the only representative of its genus in North America. Long ago, Native Americans used its pods as natural soap due to their saponin content. Its extremely finely cut foliage, which unfolds late in spring, gives it a unique delicacy.
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
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- Honey locustGleditsia triacanthos
- Hairy greenweedGenista pilosa
Tips generated and checked by Viridia — adapt them to your local climate.