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Salad season is on the wane

Summer temperatures are causing this spinach plant to make pointy leaves, a sign that it is on its way toward bolting — the seed production stage that results in bitter, tough leaves that signals the end of salad season. Photo by Janna Siller

Vegetable gardeners are getting plenty of vitamins, phytochemicals and fiber at this time of year with leafy greens at peak performance. 

The salad bar abundance won’t last long though, with summer’s fast approach. Radishes are starting to elongate at the juncture between root and leaf; many lettuce varieties will soon develop a woody stem in the center and a bitterness to their taste; spinach leaves are beginning to grow the pointy leaves that portend a flower stalk. 

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