Plant Watering Timer OnlineFree plant watering timer and reminder. Schedule watering intervals for indoor and outdoor plants. Countdown to next watering day with alarm.Frequently asked questionsHow often should I water my houseplants?Most tropical houseplants (pothos, philodendron, ferns): every 5–7 days in spring/summer, every 10–14 days in winter. Succulents and cacti: every 2–3 weeks. Snake plants: every 2–4 weeks. Always check soil moisture before watering — schedule is a guide, not a rule.How do I know if I'm overwatering even with a timer?Symptoms of overwatering: yellowing leaves, mushy stems, soil that stays wet for over a week, gnats in the soil. The timer prevents forgetting to water but doesn't prevent overwatering. Always check if the top inch of soil is dry before adding water, regardless of the timer.Can I use one timer for multiple plants on different schedules?Easiest approach: group plants by watering frequency and water all in a group on the same day. "Thirsty group" (every 5 days): pothos, spider plants, maidenhair ferns. "Weekly group": most tropicals. "Drought group" (every 2+ weeks): succulents, ZZ plants, cacti. One timer per group.How long should I run a drip irrigation system for garden plants?Drip systems: 15–30 minutes every 2–3 days for most vegetables. Lawns: 15–20 minutes per zone, 2–3 times per week. Deep, infrequent watering encourages deeper root growth. Set the timer for the irrigation run duration, then set the interval reminder for the next session.Does plant watering timing matter during the day?Yes — morning watering (before 10am) is ideal. Water has time to reach roots before heat evaporates it, and foliage dries before nightfall (wet foliage overnight invites fungal disease). Avoid watering in the heat of the afternoon (evaporates too fast) or evening (promotes mold).