Growing orange

citrus

Oranges on the tree
Photo: Philippe Gauthier on Unsplash
HARDINESS ZONES
9-11
WINTER CHILL NEEDED
None
POLLINATION
Self-fertile — one plant crops on its own

Pollination

Self-fertile. Navel oranges are seedless and need no pollinizer.

Growing it

Zones 9-11; needs sustained heat to sweeten. Blood oranges colour best where nights turn cool in winter. Slow to bear from a young tree.

Where orange grows best

Hardy in zones 9-11. Combining the two:

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Grows well Outside its hardiness range
USDA zones 1-13. Chill hours by zone are rough estimates - coastal and high-elevation gardens can differ a lot.

Good fit across most of: Florida, Hawaii. Also parts of Alabama, Arizona, California, Georgia, Louisiana, Mississippi, Nevada, New Mexico, Oregon, South Carolina, Texas, Utah, Washington.

Questions gardeners ask

What zone does orange grow in?

Orange (Sweet) grows in USDA hardiness zones 9-11.

How many chill hours does orange need?

Orange (Sweet) has no winter chill requirement. Cold hardiness and summer heat matter more for where it grows.

Is orange self-pollinating?

Self-fertile — one plant crops on its own. Self-fertile. Navel oranges are seedless and need no pollinizer.

Which states can grow orange?

Orange (Sweet) suits most of Florida, Hawaii, and parts of 13 other states where the right zones occur. Your own zone and chill hours matter more than the state.

Chill and pollination are given at the fruit-type level; specific cultivars can differ. Values are typical ranges for home-garden planning.

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