Wednesday, May 5, 2010

Tomatoes, 2010

In just a few weeks it will be time to plant tomatoes. When you buy transplants, choose plants that have a nice green color on the lower leaves. Choose plants with a thick stem. Avoid plants that have blossoms or small fruit unless they were grown in a 6” pot or larger. If you have not added calcium lime for a few years, apply it when you till your soil. Lime will help prevent the tomato fruit from getting blossom end rot. When you transplant tomatoes into the garden, plant them deep. Tomatoes will develop roots from the parts of the stem that are underground. Apply fertilizer soon after planting.

We are concerned about late blight being a problem in tomatoes again this summer. The summer weather will determine if late blight will be a problem in 2010 or not. It has been a problem for growers in Florida again this winter. If we have a cool wet summer, expect late blight to be active. Late blight does not do well when the weather is hot and dry. Fungicides containing chlorothalonil are effective at protecting tomatoes. If you use a fungicide, it will have to be on the foliage before the blight attacks and thorough leaf coverage is critical.

Also, every Saturday, through May 22nd, we are offering a Spring into Gardening Workshop at Bill’s Ace Hardware, Route 435 Daleville, PA. The Master Gardeners will answer your gardening questions from 11 am – 2 pm. Plus, at noon we will have demonstrations on various seasonal topics. This program is free and open to the public. Here are the upcoming topics:

  • May 1st - lawn care basics
  • May 8th - landscaping for the birds
  • May 15th - composting
  • May 22nd - home food preservation basics

For more information contact your local cooperative extension office. In Lackawanna County call 963-6842 and ask for the Garden Helpline or email LackawannaMG@psu.edu


John Esslinger, Extension Educator
Penn State Cooperative Extension
Penn State is committed to affirmative action, equal opportunity, and the diversity of its workforce.

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