The Duncan Grapefruit is one of the original Florida grapefruit varieties, prized for its rich, classic citrus flavor and exceptional juiciness. Known for producing large fruit with a bold sweet-tart taste, this heirloom variety has remained a favorite among grapefruit enthusiasts for generations.

With its vigorous growth, attractive evergreen foliage, and dependable harvests, the Duncan Grapefruit Tree is an excellent choice for backyard orchards and home landscapes. Its fragrant spring blossoms and productive nature make it a rewarding tree for gardeners looking to enjoy fresh, homegrown grapefruit throughout the season.

Parentage: Grapefruit
Harvest season: December–May
Growing zones: 9–11
Pollinator needed: No
Seeds per fruit: 30–70
Growth rate: Moderate
Botanical name: Citrus × paradisi 'Duncan'
Hardiness: Cold Hardy to the Mid-20°F
Mature height - Full Size: 20+ ft.
Mature height - Semi-dwarf: 12–15 ft.
Mature height - Dwarf: 8–10 ft.
Size when shipped: 26–33"

Each of our trees is hand-grafted and raised with care at our nursery in Central Florida. We guarantee that you will receive a high-quality, healthy citrus tree free of pests or disease.

Trees cannot be shipped in temperatures below 40°F and will be held until the weather allows for shipping.

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