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  Container Plant Care
  August 20th, 2005


Take care of your Container Plants NOW!

Plants in containers often suffer at this time of year. Water them frequently. (A drip system can save time plus all the water that’s wasted when you go from plant to plant with a hose.) In interior zones containers often dry out as soon as they’re watered. It’s not only the heat; dry air literally pulls moisture out of the soil right through the sides of terra-cotta pots. Look for an automatic watering system such as Blumat to add the proper water and eliminate the possibility of over watering or under watering.

Terra-cotta containers add charm to gardens and patios, but unfortunately for aesthetics most plants actually grow better in plastic. The idea that plants are helped by a pot that “breathes” is a mistaken one. The soil mix itself should breathe. It should be light and airy, which can be accomplished by adding perlite or sponge rock. In containers that breathe, roots follow the water as it escapes through the sides of the pot. They form a solid mat that clings to the inside of the pot, drying out daily and causing the plant to wilt. When plants are grown in plastic roots tend to form more evenly throughout the mix. Eventually they congregate at the bottom and along the sides, but by then it’s time to re-pot the plant to the next size. Use the soil polymers such as Soil Moist or P-4 to retain moisture and reduce the frequency that your plant will need water.

Before planting in porous containers seal the insides with a double coat of black waterproofing tar, to help prevent moisture from escaping. Alternately, try double-potting. Just put the plastic pot inside one of the more attractive pots (If you want to dress things up a little more you can hide the grow pot and soil by putting a layer of dried Spanish moss or bark chips on top of the soil at the base of the plant). Make sure you add rock at the bottom of the outer pot to allow excess water to drain away from the root system.

Finally, don’t forget to fertilize. The nutrients drain through the root system in a pot much quicker than in the ground. You need to feed lighter and more frequently than those in the yard. If you are likely to forget, use the 1 year Nutri-Paks or Osmocote to keep you plants healthy and vigorous.








 
 
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