Planting Bolt Resistant Lettuce

I didn’t think it was possible to grow lettuce in the summer, because the heat always caused my crops to bolt.

I ’ve heard about gardeners being able togrow lettuce all summer , and now I opine I ’m one of them .

I planted a big container of lettuce foliage ‘ Salad Bowl Blend ’ ( from Botanical Interests ) in saltation . The ejaculate packet did say it was one of the most warmth liberal and bolt resistant leaf sugar usable , but I did n’t expect that I ’d still be using the bid leaves in my summer salads . verbalise about cut and come again !

Granted , not every garden is going to have the same condition for lettuce develop as I ’ve had this summer . The weather in Denver has had its ups and downs all time of year . Days of 90 to 100 degree have been follow by milder weather .

However , lettuce growers in other parts of our region may profit from the results of a 2004 Colorado State University study . scholarly person in the Horticulture and Landscape Architecture group conducted The Lettuce Bolting Resistance Project and the results are really interesting .

The projection studied 50 dissimilar pelf varieties that were planted every two week from June to September . The students prepared the subject area and used constitutional methods to maintain the scratch .

The weather during the task was unusually hot and ironical with 26 days above 90 degrees . In add-on , there was some insect damage to crop .

The research bear witness that Batavian wampum diverseness resist bolting the estimable . These variety did n’t bolt all season , even during the warmest weather . They could also be reap at unlike stages during the develop season .

Nevada , Sierra and Tahoe were the standout cultivar .

The Butter varieties were the second - unspoiled lettuce group to hold reasonably well against bolting .

Red Romaine loot were found to be good for private foliage harvest home and baby sugar output .

Perhaps you ’ll want to convey your own research to see which of these lettuce variety stand firm bolting in your garden . There ’s still sight of time for set this season .

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‘Salad Bowl Blend’ is one of the most heat tolerant and bolt resistant leaf lettuces available.Photo/Illustration: Jodi Torpey

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