Citrus ×paradisi Macfad. (pro sp.) [maxima × sinensis]

vernacular grapefruit — species · Rutaceae

USDA: CIPA3
GBIF: 8077391 syn.
Rank: species

PlateNo public-domain or CC photograph located.

§2Habit & range

Growth habit: Shrub, Tree
Duration: Perennial
Group: Dicot
Family: Rutaceae Juss.
Genus: Citrus

§2a

Native status, by region

L48 Lower 48 States Introduced
PR Puerto Rico Introduced

§2b

County-level range

· 5 counties across 1 state

Legend Native · 0 Introduced · 5 Both · 0 Hover a county for detail.

§3Cultivation specs · USDA

Recorded by the USDA Plant Materials Program.

§3a

Tolerances

Drought: Medium
Shade: Medium
Moisture use: Medium
Fire: None
Salinity: Low
Anaerobic: Medium
CaCO₃: Medium
Hedging: Medium

§3b

Climate & soil

Cold tolerance: 31 °F minimum
Frost-free days: 365 min.
Precipitation: 40–100 in/yr
pH range: 4–7.5
Root depth: 60 in min.
Fertility need: Medium
Soil texture: medium, fine

§3c

Form & growth

Growth form: Single Stem
Growth rate: Moderate
Lifespan: Moderate
Mature height: 20 ft
Height @ 20 y: 20 ft
Foliage texture: Medium
Foliage colour: Green
Porosity (summer): Dense
Porosity (winter): Dense
Flower colour: White
Fruit colour: Green
Fire resistant: No
N fixation: None
Toxicity: None

§3d

Reproduction

Bloom period: Spring
Seed abundance: Low
Seed begins: Spring
Seed ends: Fall
Spread rate: Slow
Stratify: No
Propagation: seed, cuttings, container

§3e

Use & availability

Commercial availability: Routinely Available
Nursery stock: Yes
Palatable, human: No
Lumber: No
Christmas tree: No

§4Counties, by state

Recorded in 5 counties across 1 state.

Florida view state ↗ 5 I ▾

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/CIPA3 ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/8077391 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

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