Vertical Garden Care and Maintenance
Also be sure not to overwater your vertical garden. In low light areas plants use very little water. Observe your plants and when they begin to slightly wilt, only then are they ready for watering. In some cases this may be once a week or even longer. As plant walls mature you may also find they need to be watered more often. Continual observation and adjustment is wise.
Adding plant food is a great way to make plants look their best. But adding too much food will cause plants to produce extra sugars and attract insects. As a rule of thumb, use very small amounts of fertilizer.
When you added new plants, they usually come with time release fertilizer pellets in their soil. So this will feed the plants for up to 6 months or so.
It is best to wait to feed until the plants begin to look a little pale, of hungry.
You would then add a scoop of dry fertilizer to the tank. Then observe over the next weeks. You should see some green color and vitality slowly come to the plants.
Organic fertilizers are the easiest to use. They feed the microbiology in the soil and prevent salt build-up problems you get with chemical fertilizers. We like to use Maxea brand that is a seaweed / urea / bloodmeal based plant food. It is very easy to use and helps balance pH levels as well. Any other seaweed based or organic fertilizers will also work well.