Call us: 0800 843 752Free shipping for orders $150 or over
Gift Vouchers

star ruby grapefruit tree

The Star Ruby grapefruit tree is renowned for its vibrant ruby-red flesh, exceptionally sweet flavour, and impressive juiciness. Perfect for New Zealand home orchards, this striking grapefruit variety produces medium to large fruit with a smooth, yellow skin and blush-pink blush. If you’re searching for a grapefruit that combines refreshing sweetness with a hint of tang, the Grapefruit 'Star Ruby' is a standout choice ideal for enjoying fresh, juicing, or adding a zesty twist to salads and desserts.

Grapefruit 'Star Ruby'

Grapefruit 'Star Ruby' is a variety of grapefruit that produces good yields of medium-sized, golden coloured fruit that are mostly seedless. The flesh is red, juicy, and has a pleasant flavour. The fruit ripens from winter to spring and is often used as a breakfast fruit, for juicing, or in marmalade. It grows densely with glossy, dark green foliage, reaching about 3 m in height and the same width. Grapefruit 'Star Ruby' is commonly grown for fruit production, but also makes a lovely addition to a mixed planting and can be maintained in a large container.

Grapefruit 'Star Ruby' fruit with red flesh.
  • Suited to regions:
    Subtropical, Temperate
  • Plant type:
    Citrus
  • Height:
    3.00 m
  • Spread:
    3.00 m
  • Flowering time:
    Summer
  • Garden uses:
    Containers, Pool areas, Screening
  • Garden styles:
    Backyard, City & Courtyard, Frontyard, Japanese, Modern
Grapefruit 'Cutler's Red' orange fruit.
Most Popular

Grapefruit 'Cutlers Red'

Grapefruit 'Cutlers Red' produces good yields of large, deep orange, juicy fruit from winter through spring. The rind is thick but easily peeled. It...

From$343.89
Grapefruit 'Golden Special' yellow fruit with yellow flesh.
Most Popular

Grapefruit 'Golden Special'

Grapefruit 'Golden Special' is one of the most popular grapefruit varieties due to its large, juicy fruit, which is mostly seedless. The fruit ripens...

From$49.88
Grapefruit 'Morrison's Seedless' fruit.
Most Popular

Grapefruit 'Morrison's Seedless'

Grapefruit 'Morrisons Seedless' produces high yields of large, golden coloured fruit that are mostly seedless. The round and thin-skinned fruit...

Grapefruit 'Wheeny' light orange fruit on a tree.
Most Popular

Grapefruit 'Wheeny'

Grapefruit 'Wheeny' produces good yields of large-sized, pale-yellow fruit with a relatively thin skin. The flesh is light in colour, very juicy, and...

Grapefruit 'Hawaiian' blush orange coloured fruit.
Most Popular

Grapefruit 'Hawaiian'

Grapefruit 'Hawaiian' produces large, pale-yellow fruit with a thick rind. The fruit ripens from winter to spring and is used as a breakfast fruit...

A 'Tahitian' Lime tree with green fruit and lush, green foliage.
Most Popular

Lime Tahitian

The 'Tahitian' Lime is a popular and quick-growing shrub that bears masses of medium-sized fruit that are juicy, strongly scented, and have that...

From$49.88
'Encore' Mandarin fruit.
Most Popular

Mandarin 'Encore'

Mandarin ‘Encore’ is a popular late-season variety that produces sweet, richly flavoured fruit with a thin, easy-to-peel skin. Harvested from late...

From$49.88
Yellow 'Lemonade' Lemon fruit on a tree.
Most Popular

Lemon 'Lemonade'

The ‘Lemonade’ Lemon is a unique citrus variety producing sweet, refreshing fruit that can be eaten straight from the tree. Its flavour is...

From$299.92
'Bearss' Lime green fruit.
Most Popular

Lime Bearss

The 'Bearss' Lime, also known as Persian or Tahitian lime, is a vigorous, nearly thornless citrus tree that thrives in New Zealand’s warmer regions...

From$299.92
Orange 'Washington Navel' orange fruit.
Most Popular

Orange 'Washington Navel'

The ‘Washington Navel’ orange is the most famous navel orange variety, celebrated for its sweet flavour, seedless fruit, and easy-to-peel skin. This...

From$299.92
Grapefruit 'Star Ruby'

Did you find what you are looking for?

You might be interested in exploring Grapefruit or Grapefruit Trees.

Search Grapefruit 'Star Ruby'

Why Choose the Star Ruby Grapefruit Tree?

Star Ruby is often considered one of the finest red grapefruit varieties thanks to its seedless or near-seedless fruit. The trees are medium-sized, evergreen, and boast glossy, aromatic foliage, adding year-round beauty to your garden. The fruit matures from late winter to early spring, and the tree’s compact growth habit makes it suitable for smaller gardens or for growing in large containers.

In New Zealand’s temperate climate, the Star Ruby grapefruit tree thrives best in a warm, sheltered position with full sun and free-draining soil. Regular feeding and consistent watering during dry spells will reward you with an abundant harvest of beautiful, flavour-packed fruit.

How to Grow and Care for Grapefruit ‘Star Ruby’

Growing a Star Ruby grapefruit tree is straightforward, as long as you provide a frost-free position and protection from harsh winds. Mulch well to retain moisture and suppress weeds, and give your tree a citrus-specific fertiliser during the growing season. For those looking to establish a citrus collection, companion planting with other citrus fosters improved cross-pollination and productivity.

If you’re interested in expanding your citrus orchard, browse our selection of other popular varieties such as Grapefruit 'Cutlers Red', Grapefruit 'Golden Special', or Grapefruit 'Morrison's Seedless'.

Uses for Star Ruby Grapefruit

The Star Ruby grapefruit tree isn’t just ornamental—its fruit is a versatile powerhouse in the kitchen. Slice it for a refreshing breakfast, juice it for a rosy-hued drink, or toss segments into salads for colour and sweet zing. Many gardeners rate the Star Ruby as a top variety for marmalades, desserts, and cocktails thanks to its superior flavour profile and vibrant colour.

Complement Your Citrus Grove

For a thriving, diverse orchard, consider companion varieties alongside your Star Ruby grapefruit tree. Add interest and extend your harvest season with other selections like Grapefruit 'Wheeny', Grapefruit 'Hawaiian', and Mandarin 'Clementine'. If you’re interested in oranges, explore Orange 'Franklin Navel' or the unique Orange 'Cara Cara' for even more variety. For those wanting a truly unique addition, Citrus Flying Dragon offers ornamental value and rootstock possibilities.

Plant a Star Ruby Grapefruit Tree Today

Whether you’re an experienced gardener or just starting your citrus journey, the Star Ruby grapefruit tree is a rewarding, reliable fruiter that delivers both beauty and bounty. Enjoy year-round greenery, attractive springtime blossoms, and the delight of homegrown grapefruit from your own backyard. Explore our full range of grapefruit and citrus trees to create a vibrant, productive garden you’ll love for years to come.


Contact us

Whether you need assistance finding the plant you’re looking for or you simply want to know more about who we are and what we do, we invite you to get in touch with us today. A member of The Plant Company team will get back in touch as soon as possible.

–The Plant Company

Explore Garden Inspiration

Sign up to receive a free $10 Voucher You won’t be bombarded with emails, just titbits of quality information from time to time Sign up
Free shipping on orders over $150!

Join our community of happy customers.

4.9

433 Google reviews