Grow bag pots are one of the best ways to enhance the growing capability of a grow bag.
The idea is that tomato plants receive water plus food poured into the inner ring, and receive plain water poured into the outer ring. This growing method is sometimes called ring culture.
The fine roots around the plant’s stem in the inner ring absorb the nutrients, and the longer roots and tap root absorb the water that has been poured into the outer ring and into the larger grow bag area.
The Benefits of Having Two Separate Compartments
- Targets food to fine roots which gives better growth.
- Prevents nutrients being washed away when plants are watered near stem.
- Food is always available to the plant.
- Helps prevent fungal and root disease by keeping stem area dryer.
- Increases the total growing area of a grow bag.
- Grow bag pots also help prevent slugs and other critters from getting to the tomatoes.
Best for Tall Indeterminate Varieties
Grow bags are a great way to grow tall tomato varieties and by using grow pots, will increase the health, rate of growth, the taste and amount of tomatoes that you’ll receive!
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When To Transfer To Grow Bag
Please note that tomato plants are usually transferred to grow bags – their final position – when they have just started to flower. This rule isn’t written in stone, but it does help prevent plants from becoming too bushy.
Feed After Flowers Set Fruit
Also, plants shouldn’t be fed tomato food until they begin to fruit – until they show small pea-like green tomatoes when the flowers die away. The nutrients in the grow bag soil will usually keep the plants fed until they begin to fruit.
Perlite & Vermiculite
Further enhancements can be made to grow bags by adding perlite to the soil. This increases oxygen in the root zone and helps drainage. Don’t forget to put a couple of holes either end of each grow bag just in case of over watering.
A set of grow bag pots will last many seasons and repay their initial expense many times over with lots of good quality and fabulous tasting tomatoes.