A red-fleshed grapefruit with deep ruby, almost seedless segments and a sweet, low-bitterness flavour. Crops in winter and needs plenty of warmth to develop full colour and sugar.
At a glance
- Plant type: Fruiting tree
- Mature size: 4 m H × 3.5 m W
- Aspect: full sun
- Water: regular, moderate watering
- Frost: tender
- Maintenance: moderate maintenance
- Origin: Exotic
About Star Ruby Grapefruit
Botanically, Citrus x paradisi 'Star Ruby' is a moderate-growing fruiting tree in the Rutaceae family. It reaches around 4 m tall and 3.5 m wide at maturity, with evergreen foliage. White flowers appear in spring.
Where to grow Star Ruby Grapefruit
Star Ruby Grapefruit suits subtropical, warm-temperate and Mediterranean climates and grows best in full sun. It is frost tender, so protect it from hard frosts or grow it in a sheltered spot or pot.
Soil & planting
Star Ruby Grapefruit does best in free-draining soil. Dig in plenty of compost before planting, water in well, and mulch to keep roots cool.
Watering & feeding
Star Ruby Grapefruit does best with regular, moderate watering. Feed regularly through the growing season for the best crop. For the first year, favour occasional deep watering over frequent shallow drinks so roots move into the surrounding soil.
Pruning & care
Prune Star Ruby Grapefruit after flowering to keep it compact and encourage the next flush of blooms. Expect a moderate maintenance care workload once it is established.
Using Star Ruby Grapefruit in the garden
Star Ruby Grapefruit earns its place for edible harvests and a feature or specimen planting.
Companion planting & design
For easier irrigation and care, group Star Ruby Grapefruit with species that also favour regular, moderate watering and subtropical climate. Leave enough room for the mature spread so neighbouring plants are not crowded out.
Buying Star Ruby Grapefruit
Plant Sale lists Star Ruby Grapefruit as potted plants and advanced specimens. Catalogue forms are planning guidance until the Plant Sale team confirms live availability.
