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Some plants, such as cacti and agaves that manage periods of drought have advanced C4 and CAM metabolic systems that allow photosynthesis to take place deeper inside plant tissues. Transpiration keeps the plant cells evenly filled with water, so growth continues, but when the water supply is slowed or stopped, the plant may begin to die from the top down. Transpiration.Water sucked up by the roots is drawn to openings in the leaves known as stomas, which also expel waste products like oxygen, take in carbon dioxide, and cool plant tissues. As the plant loses its ability to photosynthesize, the growth slows down, leaves discolors, and flowers or fruit drop off as the plant cannot support them.

As water passes through the system, it delivers nutrients and minerals to the plant. When plants break down their food supply, they usually use up the food quickly to grow or respirate. When they get too little water, they suffer from “water stress,” and the process slows down or disappears, which results in the leaves turning yellow. Photosynthesis.Plants typically create their own food through photosynthesis based on the amount of water, sunlight, and carbon dioxide they receive. What plant processes suffer from a lack of water? Self-water planters store the water and deliver it when the plant needs it. Roots can rot in the presence of too much water all at once. What happens when a plant is deprived of water and then flooded?Īn owner who tries to resuscitate a plant suffering from “water stress” may be tempted to drown the soil, but this not always be the best idea. Water from the wet mixture in that section is pulled up into the rest of the planting container through capillary action. The other system has a section positioned inside the water reservoir so that potting mix is directly in contact with the water. With one end in the water reservoir and the other in the potting mix, the wick sucks water out of the reservoir and delivers it to the potting mix. A strip of the capillary mat, an absorbent tube-shaped plug, or a thick string is placed inside the container with the wick system. Some use a wick system, while others have a separate reservoir.

Drainage hole and plug to drain outside planter at the end of the season.

Water level indicator to show the amount of water in the reservoir.

Overflow hole or spout to drain water if the reservoir is overfilled.

Wicking mechanism that goes between the water reservoir and the potting mix in the container.

Water reservoir that varies according to the size of the container.

Planting container that holds the soil and potting mix that surrounds the plant.

What are the parts of a self-watering planter? Water delivered to the plant through the reservoir allows the plant to get water consistently, which is best for the growth of most plants. When spraying or using a watering can, water may land on the floor or a plant’s leaves where it evaporates and does no good. Some species (phlox and tomatoes come to mind) can develop fungal diseases if the leaves get wet in the watering process. Water supplied through the roots is ideal for most plants. FAQ’s About Self Watering Planters 1.Why use a self-watering planter?Ī planter that delivers water to a plant from a reservoir allows consistent moisture and less frequent watering, promote efficient water use, and prevents plant diseases. A sound system can prolong the life of a plant indefinitely. Self-watering planters start at just a few dollars for pots with wicking systems into the hundreds for large pots with more complex setups. Pots are available in every size, style, and color, so you can choose what you like and what size the plant needs. If you have plants that would do well with an automated watering system, make sure to select containers that can hold enough water for 7-10 days or more.Įxperiment with the planter for a couple of weeks before you go on vacation or otherwise abandon the plant to make sure it delivers water in a way that benefits their water preferences. Some might need less frequent watering and, in fact, do best when the soil dries out between watering too much water can cause root rot in plants such as succulents, cacti, orchids, and others.īefore selecting the best planter, make sure you know the moisture requirements of the plants that will call the container home. Not all self-watering planters are created equal in the amount of water they hold, nor do all plants require an equal amount of water.

What’s most important is picking a planter that meets your plant’s water needs while convenient for you. They also come in different colors to match your home decor. Self-watering planters come in different sizes and shapes to suit the plant you are rehoming. Our Approach To Finding The Best Self-Watering Planters