Rio Red Grapefruit

Rio Red Grapefruit

  • Deep ruby-red flesh
  • Sweeter and less bitter than white grapefruit
  • High juice content
  • Vigorous and productive
  • More cold-hardy than other grapefruits

Botanical Name: Citrus paradisi

Rio Red is a well-known red-fleshed grapefruit with attractive color, good juice, and fresh-market recognition. Developed in Texas, this variety is prized for its deep ruby-red flesh, which is sweeter and less bitter than white or pink grapefruits. The fruit is medium to large, with a smooth, yellow rind that may develop a pink blush. The flavor is rich, sweet-tart, and full-bodied. The tree is vigorous, productive, and more cold-hardy than many grapefruits. Excellent for warmer areas and citrus collectors. This is the grapefruit that converts people who think they don’t like grapefruit.

Taste note: Sweet, rich, low bitterness – like a berry-flavored citrus.

Key Highlights

 

Feature Details
Light Full Sun (needs heat for best color)
Tree Spacing 12–15 ft
Tree Height 12–15 ft
Planting Time Spring
Hardiness USDA Zones 8b–11 (protect below 28°F)
Grafting Yes
Fruit Season Winter to spring
Self-fertile Yes

Rio Red needs full sun and heat to develop its deep red color. In cooler climates, flesh may be pinker. It is more cold-tolerant than other grapefruits but still needs frost protection. Plant in well-drained soil. Water deeply but infrequently. Fertilize with citrus fertilizer three times per year. Prune to maintain an open canopy. Fruit can hang on the tree for months without losing quality – this is called “storage on the tree.”

  1. Remove Packaging– Unpack carefully.
  2. Check the Soil– Water if dry.
  3. Adjustment Period– 3–5 days in partial shade, then full sun.
  • Location: Full sun, warmest available spot.
  • Soil & Drainage: Well-drained, slightly acidic.
  • Feeding: Citrus fertilizer in February, May, and September.
  • Watering: Deep weekly watering. More heat = more water.
  • Pruning: Late winter. Remove suckers below graft.
  • Frost protection: Protect below 28°F, especially young trees.

Harvest when fruit is fully colored (yellow with pink blush) and slightly soft. Twist to remove. Eat fresh, juice, or segment for salads. The red flesh makes beautiful juice.

Grafted Rio Red shipped in recyclable packaging. Free shipping over $50.

📧 info@globalflora.org

Global Flora sources grafted citrus from registered, disease-tested nurseries. All plants are non-GMO.

  • Zones:8b–11. One of the most cold-hardy grapefruits.
  • Watering:Consistent watering improves juice content.