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. Plant into well-prepared ground, firm the soil around the roots and water deeply to settle it in.
Watering & feeding
Star Ruby Grapefruit is regular, moderate watering. Feed regularly through the growing season for the best crop. In its first year, water deeply once or twice a week to settle the roots in, then taper off as it establishes.
Pruning & care
Prune Star Ruby Grapefruit after flowering to keep it compact and encourage the next flush of blooms. Overall it is moderate maintenance.
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 a cohesive, low-care bed, pair Star Ruby Grapefruit with other plants that enjoy the same regular, moderate watering and subtropical climate. Repeat it through a border to tie the planting together and give a sense of rhythm.
Buying Star Ruby Grapefruit
Plant Sale lists Star Ruby Grapefruit as potted plants and advanced specimens. Stock isn't live yet — register your interest using the panel above and we'll email you the moment it is available.