[ad#promo-content-atf-200-left] Root rot – Besides water, roots also need air which they get by drying out periodically. Keep roots constantly under water and you can drown a plant. This happens frequently in soil-based systems.R

[ad#promo-content-atf-200-left] Rooting – Take a leaf, stem or tip cutting and stick it in water (one method), and soon a miniature root system will begin to take shape. Knowing this, you can propagate almost any houseplant.

[ad#promo-content-atf-200-left] Root division – A propagation technique that involves cutting or pulling apart the root systems of multistemmed plants. You end up with two complete, but smaller, plants.

[ad#promo-content-atf-200-left] Rootbound – When roots completely fill a pot.

[ad#promo-content-atf-200-left] Rhizomes – A type of elongated stem beneath the growing surface from which new shoots or plants arise.

[ad#promo-content-atf-200-left] Pruning – Cutting back a plant for stronger, fuller growth. More drastic than pinching back.

[ad#promo-content-atf-200-left] Pinching back – To pinch off growth at tips of plants to encourage side growth to make a plant bushier.

[ad#promo-content-atf-200-left] Photosynthesis – The action of light on the chlorophyll in plants that results in the plant making food.

[ad#promo-content-atf-200-left] Phototropic – Describes a plant’s natural tendency to grow toward its light source. Well-rounded plants should be rotated every few days or they’ll begin to lean.

[ad#promo-content-atf-200-left] Over-watering – Perhaps the number one killer of soil-grown plants. All too often you don’t realize they’re getting too much moisture until roots begin to rot.