NZ Gardener - - The Good Life -

• F1 hy­brids are the work of plant breed­ers. They are the first gen­er­a­tion raised by cross-pol­li­nat­ing two dif­fer­ent types of tomato. You can save your own seed from F1 fruit but when they grow the fol­low­ing season they won‘t nec­es­sar­ily turn out the same (be “true to type“). But open-pol­li­nated toma­toes, such as heir­loom va­ri­eties, are more sta­ble and will look like their par­ents.

• In­de­ter­mi­nate va­ri­eties grow as tall vines. They keep grow­ing and pro­duce fruit un­til the first au­tumn frosts kill the plants off, whereas de­ter­mi­nate or bush types are more com­pact with a strong cen­tral leader. They don‘t need as much stak­ing but fruit for a shorter season.

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