University of Vermont Extension
Department of Plant and Soil Science
WATERING TOMATOES AND OTHER JULY
Leonard Perry, UVM Extension
watering of tomatoes, controlling slugs, and rejuvenating spring
some of the gardening activities for this month.
leathery spots on the blossom end of tomatoes is likely to be a
called "blossom end rot" that's caused by uneven watering. Mulch
help moderate the fluctuating moisture levels that nature provides,
not too late to spread some around your plants. Mulch will help the
drying quickly after wet weather—another fluctuation that may lead
disease in tomatoes as well as peppers, squash, and even
watermelon. Also, make sure with a soil test that both
the pH and calcium levels of your soil are correct.
grounds, diatomaceous earth, iron phosphate bait (use caution or not
at all if pets
roam the area), crushed egg shells, and even raw sheep's wool can
and snails. Spread any of these materials in a ring around
Wrap pots with copper tape to keep slugs from crawling up. One of
the more common controls is simply to
place saucers of beer among your plants, which attract the slugs and
they drown. Or simply place boards in
your garden, under which they’ll hide by day and can be found and
Pansies, lobelia, petunias, and some other
cool season annuals can go into a slump in midsummer with the heat.
rejuvenate them, cut back the stems by one half and apply liquid
when you water to bring them back and they will start blooming again
summer and fall. Many of the newer cultivars
(cultivated varieties) of petunias, however, keep on blooming.
they are “self cleaning”, meaning the old flowers just wither and
drop off, so
you won’t need to cut them back as was common with
of the newer selections of annuals have been bred to require a
soil, so make sure you apply plenty. If
they stop blooming, or have fewer blooms, this may be the reason.
Fertilize regularly according to label
directions, at least weekly. If using an
organic solution such as liquid seaweed or compost tea, you may need
fertilize with every watering.
just one-half hour every day to inspect the garden and pull weeds.
do sprout overnight and by next week they'll be towering over your
annual flowers. A visit to the garden
before work, or as soon as you get home, can keep the weeds in
Strawberry plants are actively
growing and new runners are spreading everywhere in mid-summer.
to keep plants spaced according to the method you're using so plants
their energy into producing future fruit instead of new runners.
Left alone, a
bed will turn into a mass of foliage and few berries. Usually
everbearers are planted in hills,
with runners removed. June-bearing
cultivars are usually planted in rows, with runners kept within the
removed from the paths.
the first sign of powdery mildew on phlox, bee balm, and other
plants, treat with Serenade or other labeled fungicide, such as one
potassium bicarbonate (relative of baking soda). Spray plants every
two weeks, thoroughly
wetting the foliage.
love blueberries as much as we do, so protect the fruit with
netting. Use stakes to suspend the netting over the
shrub so birds won’t reach the berries. Secure the netting to the
prevent birds from sneaking in. Get your cover in place before the
(Charlie Nardozzi is a nationally known horticulturist,
author, gardening consultant, and garden coach; CharlieNardozzi.com).