USDA Cold Hardiness Zone: 7 0° to 10°F (-17.5° to -12.5°C)
Plants hardy in slightly colder minimum temperature zones will usually thrive at zone 7
Click here for the complete Rutaceae including plants for which we do not have seed sources
(some unavailable plants do not produce viable seed that comes true)
Clicking on a species name opens a new web-page with information for that species.
Species' web-pages have price buttons for adding seeds to your shopping-cart.
Some species have photographs and germination instructions.