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The Secrets to Growing Upside-Down Tomatoes for a Prolific Harvest in a Tiny Space

Upside-down tomatoes make a great use of space but there are a few important things to know so that your efforts will be fruitful. Grow prolific upside-down tomato plants with these 9 essential tips and tricks.

Essential tips to Grow tomatoes upside down successfully

There are many types of upside-down tomato planters available and none are expensive in the least. I have seen many people who use 5-gallon buckets, but I must say that once you buy all the hardware you will probably be spending more than just buying a Topsy Turvy planter or the self-watering planters I have hanging on my garage.How to grow upside-down tomato plants - advice from a master gardener

How to Plant Upside-Down Tomatoes

Materials:

  • 1-2 cherry, grape or other small variety tomato plants
  • The upside-down planter of your choice (this is a nice one!)
  • Solid ring hooks
  • Bamboo stake
  • Self-watering system (see Step #8)
  • Tomato fertilizer
  • Container gardening soil or 40% peat moss / 60% soil

Make it!

1. First things first: choose the right tomato plant for the hanging planter. There is just no sense in picking a beefsteak or other large varietal. Large tomatoes generally grow on large plants and have heavy fruit. These small planters are better suited to determinate/bush forming (as opposed to indeterminate/vine growing) so that the plant can build girth rather than length below the planting bag. Also choosing container-loving cultivars like Tumbler, Jolly Elf, or Gold Nugget will ensure fruiting is prolific even on smaller plants.

How to Plant an Upside Down Tomato cherry tomatoes

2. Location is another important factor in hanging planters. Check out site selection for Growing Strawberries in Hanging Containers / Grow Bags as it’s pretty much the same: 8-12 hours of full sun a day.

3. Prepare your soil for planting by either mixing 40% peat moss and 60% high quality organic soil mix (like Sea Soil) or a container gardening mix in a wheelbarrow with some water. It’s best to moisten the soil before planting to ensure it will hold the water, not just run right through the planting hole.

How to Plant Upside Down Tomato Planters Topsy Turvy DIY soil mix

4. Remove your plant from the nursery pot and secure the stopper around the stem, being careful to not damage the stem. All store-bought planters come with a stopper: either a foam ring or plastic disk with a hole in the center for the stem.

9 Things you need to know to make upside-down tomato planters a success!

5. Have a strong helper hold your planter while you gently (I repeat, GENTLY) maneuver the plant upside-down into the bottom hole from the top. Again, don’t damage the stem. If the leaves get a bit mangled it’s Okay, but if you damage the stem get a new plant and start over.Nine tricks to planting upside-down tomatoes, from staking to watering and everything in between

6. Gently fill the moistened soil around the root ball about half-full, add a handful of complete organic fertilizer and fill up the rest of the way with more soil.

7. Hang the planter up on sturdy hooks (that should be included with your planter) no less than 7-8 feet off the ground.

How to grow a tomato upside down - advice from a master gardener

**While most folks stop at this point, there are a few lessons I’ve learned from growing tomatoes successfully on my garage that I shared in this post:  Topsy Turvy: Ugly as Stink But Good Tomatoes. These few extra steps will help with the most common problems of upside-down tomato planters: dry soil and broken plants.**

8. The challenge with an upside-down planter is that when it dries out, it is difficult to re-moisten. Water generally flows through dry soil, and with upside-down planters, it can flow right through even moist soil. Unless you want to spend most of your free time slowly watering these planters all summer long, it’s best to set up a self-watering system. Luckily, the new planters I bought have a self-watering trough at the top. Success with this system comes from to ensuring that you don’t let the wick dry out.

You can also make your own self-watering system with these plant stakes or make your own by cutting a hole in the bottom of a soda bottle and poking a few weep holes in the cap. Screw the cap on firmly and sink into the soil. Fill with water and let drain. To see the bottle watering system, check out the photos in this post about Topsy Turvy Tomato Planters.

9. Tomatoes are meant to grow upwards and, left to their own devices, they will curve up toward the sky, grow big beautiful tomatoes…and then the stem will break right off in the wind or from the weight of the fruit. Easily deal with this by sticking a bamboo stake in the bottom hole with the plant, and train the plant downwards as it grows. An easy solution to a fatal (to ripe fruit at least) problem.

Pin it!

How to Grow Tomatoes in upside-down planters (and actually get lots of fruit!)

There you have it. All the tools you need for successfully getting an upside-down planter started this year. These instructions also apply for peppers, eggplant, cucumbers, or squash so get creative with this weekend project.

 

Comments

  1. With over eleven,000 previous occasions going down –
    the neighborhood that follows has grown considerably, and a few TEDx talks turn into TED talks.

    Reply
  2. Do you have a current link to the planter you used here? Its really nice looking! I’d love to get my hands on a few.
    Thanks!

    Reply
  3. Looking to start plsnting tomatoes upside down this year it will be my first time any recommendations

    Reply
  4. Do you have photos of how the self watering planter goes together? I have one… just can’t quite figure it out and the instructions are long gone.

    Reply

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