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How To Grow
Tomatoes
in Zone 10 South Florida

 
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In 1983 we got really wild and bought 50 acres in LaBelle, Florida, to grow organic tomatoes ...peppers, okra, cucumbers, oranges, melons too, but mostly, the goal was tomatoes

Zone 10 has opposite seasons as "up north."  Here, we can plant continuously month after month starting in late August up until March.  Harvests start in November and late-planted tomatoes can be harvested May-June, even July

Here are your basic guidelines to success:

  1. be sure your soil is free of nematodes (tiny worms that get into plant roots and greatly diminish normal growth performance).  One can use nasty commercial chemicals, but it's safer and easier to use plastic.  Lay 3-5 mil plastic over the planting area and leave it there for about 3 weeks.  The heat of the sun will "cook" the nematodes
  2. you can use pots instead of open soil in your land.  Larger pots are better (5-gallon minimum, with 7- or 10-gallon being best.  Insure excellent drainage ...for the past few years we have used "peanuts" that are used in packaging for shipping at the bottom of our pots and they work very well
  3. use fresh nursery soil or a 'pro-mix' type soil and buy the most expensive you can find THAT DOES NOT CONTAIN fertilizers
  4. plant seeds just below the surface of the soil and keep moist.  Most varieties sprout in 7-12 days from seed
  5. if you buy plants, plant and inch or two deeper that the original soil depth
  6. soil should be enriched with manure ...composted manure or dry composted manure worked into the top 6 inches of the soil.  Never use fresh (wet) manure
  7. tomatoes love fish emulsion fertilizer.  Feed often with this organic food.  You may also feed chemical fertilizers.  Feed well during the first 40-50 days or so then stop.  If you buy chemical food, buy the bags listed for use on vegetables.  Follow instructions and NEVER use more than the bag says to apply
  8. many tomato varieties suited for zone 10 are indeterminate, meaning, they keep growing, some reaching 8, 10, even 12-15 feet tall and are the vine type of tomato plant.  Plants that are determinate reach about 4-5 feet tall and stop growing.  When planting indeterminate varieties, plan on providing a good trellis/support/stake system
  9. look for bugs.  Diseases are certain death, so bugs are easy to handle compared with fungus, wilts and blights.  Being watchful means you will see and be able to take quick action should a problem arise
  10. water the soil and not the plant (leaves).  Keeping the leaves dry (except for natural rain) helps keep plants healthy

Buy tomato plants or seeds suited for Florida.  These include Big Beef, Early Girl, Sun Master and others.  Read the label.  We have some seeds for a native Florida tomato here

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