Les Serres Tropico-Québec
‘Blue Java’ Banana Plant
‘Blue Java’ Banana Plant
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🍌 ‘Blue Java’ Banana Plant
A distinctive tropical fruiting variety valued for its impressive foliage and the blue-green colour of its unripe fruit.
📏 Mature size: approximately 4.5 to 6 m (15 to 20 ft) when planted in the ground in a tropical climate. In a container or greenhouse, expect approximately 2.5 to 4 m (8 to 13 ft), depending on container size and growing conditions.
🏠 Recommended space: especially well suited to greenhouses, sunrooms and large rooms with a high ceiling. This is not a small indoor banana plant.
🌱 Choose your size:
- 4-inch pot — 6- to 18-inch plant: available now.
- 6-inch pot — 18- to 36-inch plant: preorder for spring 2027.
Measurements are approximate and may vary slightly depending on the plant’s growth stage at the time of shipping.
Why choose Blue Java?
Blue Java is a sought-after fruiting banana plant known for its spectacular tropical appearance and fruit that displays a blue-green to silvery-blue colour while unripe before turning yellow as it ripens.
- Clearly identified variety: you will receive a Blue Java, with no substitution for another variety.
- Distinctive fruit with a bluish colour before ripening.
- Impressive tropical foliage and vigorous growth.
- Suitable for container or greenhouse growing in Quebec and other cold-winter regions.
- Can produce fruit with sufficient warmth, light and root space.
Banana flavour
When fully ripe, the fruit develops a sweet, aromatic flavour with notes reminiscent of vanilla and custard. Its pale flesh has a tender, creamy texture. The intensity of these flavours can vary with growing conditions and ripeness. For the best flavour, allow the fruit to ripen until the skin changes from blue-green to pale yellow. Fruit harvested or eaten too early will be firmer, less sweet and less aromatic.
How to keep the plant more compact in a container
- Repot gradually: move it into a slightly larger container rather than an oversized pot immediately.
- Limit the final container size: a container of approximately 15 to 25 gallons can help restrain growth, although it may also reduce plant size and fruit production.
- Provide abundant light: insufficient light often causes stretched, weaker growth.
- Avoid excess nitrogen: fertilize regularly without encouraging unnecessarily tall, soft growth.
- Control suckers: retain the main pseudostem and, if desired, one replacement sucker; remove the others to reduce crowding.
Important: do not shorten a banana plant by cutting the top off the pseudostem. Doing so removes its growing point and prevents that pseudostem from flowering. Height is best managed through container size, light, fertilization and sucker control.
Growing in Quebec and other cold-winter regions
- Light: full sun or a very bright location, ideally 6 to 8 hours or more.
- Temperature: optimal growth between 20 and 32°C (68 to 90°F); bring indoors before temperatures fall below 10°C (50°F).
- Watering: keep the growing medium slightly moist during active growth without allowing standing water.
- Growing medium: rich, airy and very well draining.
- Fertilization: feed regularly during active growth; banana plants are heavy feeders.
- Mature height: approximately 4.5 to 6 m (15 to 20 ft) in the ground in a tropical climate; generally 2.5 to 4 m (8 to 13 ft) in a container or greenhouse.
Shipping and preorder information
The availability shown in the selector indicates the expected shipping or pickup period. Sizes listed as available now can ship during the current season. Preorder sizes will be reserved for spring 2027.
Tip: repot gradually instead of placing a young plant directly into a much larger container. This makes watering easier to manage and encourages a healthy root system.
The bluish colour is most visible on unripe fruit. Appearance, growth and time to fruiting vary with light, warmth, container volume and care.
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