Star Ruby Grapefruit Tree
Description
Star Ruby Grapefruit produces the deepest, most richly colored flesh of any grapefruit variety — a brilliant, jewel-like ruby-red that’s more intensely pigmented than standard Ruby Red or Rio Red grapefruits, and a visual indicator of the elevated lycopene content that gives it both its distinctive color and its nutritional reputation. The nearly seedless fruit has yellow-orange skin that blushes attractively at peak ripeness, with juicy, sweet-tart flesh that’s outstanding for fresh eating and exceptional for juicing where the bold color produces one of the most beautiful fresh-pressed grapefruit juices available. Originating from San Benito, Texas and commercially popular in California. Self-pollinating, container-friendly for growing indoors in any climate, bears in 2–3 years. Outdoor planting in Zones 9–11.
The Deepest Ruby Flesh of Any Grapefruit — Rich Color, Rich Flavor
The color distinction is genuine and meaningful. Standard pink grapefruits have pale to medium pink flesh. Ruby Red grapefruits are deeper. Star Ruby goes further still — producing a deeply saturated ruby-red flesh that’s immediately striking when the fruit is cut and unmistakable in the glass when juiced. That depth of pigmentation reflects elevated lycopene content and correlates with the sweeter, more full-flavored character that sets Star Ruby apart from paler grapefruit varieties.
Nearly Seedless — Outstanding for Fresh Eating and Juicing
Star Ruby’s nearly seedless flesh makes it as practical to eat fresh as it is beautiful. The round, medium-sized fruit with its smooth yellow-orange skin separates cleanly into juicy segments with minimal seed interruption — easy to eat in halves at breakfast, easy to section for salads and fruit bowls, and ideal for juicing where seeds would require straining. The sweet-tart balance is well calibrated — enough acidity to be refreshing, enough sweetness to enjoy without added sugar.
San Benito, Texas — Container Growing for Any Climate
Star Ruby’s Texas origin reflects its development for warm citrus-growing conditions — and its container adaptability brings that warm-climate fruit to any home regardless of climate. In a large container with quality citrus potting mix and a bright sunny window or south-facing patio, Star Ruby produces generous annual harvests in climates well outside its outdoor zone range.
Why Growers Choose Star Ruby Grapefruit
- Deepest ruby flesh of any grapefruit — more intensely colored than Ruby Red or Rio Red
- Nearly seedless — easy fresh eating and beautiful fresh-pressed juice
- Sweet-tart balance — refreshing without added sugar
- San Benito, Texas origin — commercially proven in California coastal regions
- Container-friendly — fresh homegrown grapefruit in any climate
- Rich in Vitamin C, potassium, and dietary fiber — nutritionally outstanding
Survival Guaranteed!
Since 1816, Stark Bro’s has promised to provide customers with the very best fruit trees and plants. It’s just that simple. If your trees or plants do not survive, please let us know within one year of delivery. We will send you a free one-time replacement, with a nominal shipping fee of $9.99. If the item in question is not available, we can issue you a refund. Read more about our warranty policy.
Characteristics
| Characteristic Name | Value |
|---|---|
| Bloom Color | White |
| Fruit Color | Red |
| Fruit Size | Medium |
| Hardiness Zone Range | 2 - 11, Outdoor Planting: 9 - 11 |
| Pollination | Self-Pollinating |
| Shade/Sun | Full Sun |
| Characteristic Name | Value |
|---|---|
| Soil Composition | Loamy |
| Soil Moisture | Well Drained |
| Soil pH Level | 6.0 - 7.0 |
| Taste | Sweet, Tangy |
| Texture | Juicy |
| Years to Bear | 2 - 3 |
Size & Spacing
Mature Size
Recommended Spacing
Zone Compatibility
Pollination
This variety is self pollinating.
Tools & Supplies
Planting & Care
Learn all about how to grow citrus trees in The Growing Guide. An entire section of our website dedicated to your growing success.
