Description
Eucalyptus gunnii ‘France Bleu’ is a dwarf variety of the cider gum (Eucalyptus gunnii), developed by French nurseryman Jean Renault (known as ‘Rengun’ under Plant Breeders’ Rights)
Key Features
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Dwarf & Slow-Growing
Unlike typical Eucalyptus gunnii, which can grow 2 m per year, France Bleu grows to a maximum height of around 2 m (6½ ft), making it ideal for small gardens or container cultivation -
Foliage
Juvenile leaves are intensely silvery-blue or grey-green, often rounded and aromatic
As the tree matures, foliage becomes sage-green and sickle-shaped unless kept in juvenile form through pruning -
Flowers
Produces clusters of small white or pom-pom-like flowers in summer through autumn (sometimes extending into autumn), attractive to bees and other pollinators -
Habit & Growth
Compact and bushy, perfect for containers, patios, or small garden spots -
Hardiness & Culture
Hardy down to –10 °C (H5) or sometimes lower, making it suitable for much of the UK and similar climates thrives in full sun, in moist but well-drained, slightly acidic to neutral soils -
Pruning
Annual hard pruning each early spring helps maintain its compact size and keeps the juvenile blue foliage intact. Pruning back to around 15 cm is effective for rejuvenating straight shoots for cut foliage
Summary at a Glance
| Attribute | Details |
|---|---|
| Size | Grows to ~2 m (6½ ft); more manageable with pruning |
| Foliage | Silvery-blue, rounded in youth; turns sage-green and sickle-shaped if mature |
| Flowers | Small white clusters (summer–autumn), great for pollinators |
| Suitability | Ideal for small gardens, patios, containers, cut foliage |
| Growing Conditions | Full sun, moist well-drained soil, hardy down to –10 °C |
| Maintenance | Annual pruning to maintain juvenile foliage and compact form |
In essence, Eucalyptus gunnii ‘France Bleu’ offers the beauty and fragrance of traditional cider gum—but in a petite, well-behaved package that fits perfectly in tight garden spaces or containers. It’s versatile, aromatic, and visually chic.





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