The growing area is important to how often to water cactus. As a desert plant, agave appreciates direct, abundant sunlight, and light water. Itâs only worse if you have multiple jobs or need to take care of the kids while still taking care of the house. 5. More miniature cactus, on the other hand, lose much water, meaning they will require more watering. You can also watch your plant for watering cues. The soil at the bottom of the pot, around the roots, will also stay damp. Factor 2: Time of the Year Keep the watering levels at low and water the plant only when the soil goes dry. Some people water more often than this. Do not let plants sit in water for a long time. You should water a cactus only when the soil has dried up completely and never before that. Feed them once every 60-90 days. In the winter itâll be every 4-6 weeks, depending on how much sun weâre getting. For most, the period of growth is from Spring into Fall. Check for pests. Answer: If indoors, Barrel cactus do not need much water at all. With that said, a typical indoor succulent can go around 10 to 14 days between watering. Moreover, if you want to stimulate flowering, you should water it â¦ cm Since these come from humid jungles, mist spraying them often, even daily, makes them happy. During their growing season, these plants like regular watering and fertilizing. Summer: As cactus grows actively during summer and spring, this is the best time to fertilize them. However, be careful to not put them in direct sunlight because the intense light can make the plants turn a yellow colour. Too little water makes the leaves shrivel up. Our main rule is not to watering cactus as long as the soil is not dry. A south facing position will provide good sunlight. Use a small watering can with a spout that lets you get close to the roots of the bottom. Cacti and succulents thrive with good light sources, and it is best to place cacti and succulents in a bright place. If itâs rainy or extremely humid, you likely wonât have to worry about watering the plant; in fact, if you do, youâll end up doing more harm than good. How often to water and fertilize:While growing, cacti and succulents should be watered at least once a week. Most succulents grow like crazy in the spring and summer, so youâll need to water them a lot more often during their active growing season. During a cactusâ regular growing season, from spring to fall, a three-week interval is a good rule of thumb. There are about 450 species of agave, including the famous century plantâwhich, for the record, does flower more often than once a century. So, water them often to replace the lost water. For my cactus it usually takes a week to ten days but it will depend on the size of the pot. Make sure to keep water off the body of the cactus, it can contribute to rot. Water needs: Infrequently but when you do, water it plenty. You only need to water them once every other week if your succulents are indoors. During the inactive season (usually in winter time for most succulents), when the plant is dormant, water less frequently and less thoroughly. If you have the opportunity, you can pamper your cacti with rainwater or decalcified tap water. A lack of water and dramatic temperature swings can cause flower buds to drop more rapidly. If you keep your Christmas cactus outdoors where the climate is hot and dry, you may have to water once every two to three days, especially if the plant receives direct sunlight. And another point is weather. The Christmas cactus is a unique kind of cacti that blooms close to the holiday in early winter, hence its name. A plant kept inside the house, where itâs humid and cool requires watering once a week approximately.