Tomato jargon

Determinate… indeterminate… what?

It’s nearing time to plant tomatoes in the Pacific Northwest, and these are two terms I almost always forget: determinate and indeterminate.

A determinate tomato plant is generally more compact (like the “bush” varieties), and the fruits ripen more closely together. An indeterminate tomato plant continues to grow throughout the season (the “vine” varieties), and sets fruit until it frosts.

You’ll also be faced with the decision of open-pollinated versus a hybrid. A hybrid, is a plant born from the cross of two different varieties, and this gives the plant a very specific set of characteristics. Often, hybrids are bred to be more disease tolerent, for taste, etc. Open air pollinaited varities hold on to the parents characteristics generation after generation. If you want to save seeds to plant tomatoes the following year, then open air pollinaited is the way to go.

You can begin planting tomatoes in the Pacific Northwest as early as April 15th, if you plant them under a cloche. I tend to wait until after May 15th before I transplant my tomato starts directly outside.

Looking for tomato plant varieties that work well in the Pacific Northwest? Try this resource. I find that many of the big retailers import their plant starts from afar, and they are often not adapted to the climate of your specific area. I recommend purchasing plant starts from a locally owned nursery.

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Posted by Boe on May 4th, 2007 under Garden Planning


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