You check how often water amaryllis needs by pressing your finger into the top inch (2.5 cm) of soil. If it feels dry, water the pot. During active growth, you'll water about every 5 to 7 days. Your home's temperature and humidity affect the exact timing.
The amaryllis watering schedule changes throughout the year because the plant's needs shift with each growth stage. A freshly planted bulb barely drinks at all. An active bloomer with a tall stalk and open flowers pulls water at a steady pace. And a dormant bulb sitting in a cool closet needs zero water for the entire rest period. Treating all three stages the same is the fastest way to lose a bulb.
I learned this the hard way with my second amaryllis. I watered it on the same weekly schedule no matter the growth stage. The bulb turned mushy at the base within a month. Overwatering amaryllis is the number one killer of these bulbs. That rotten, foul-smelling mess taught me the finger-test method I use now. If the soil feels moist at all, I leave it alone.
Here's what the watering looks like stage by stage. Right after planting, give the bulb one thorough soaking so water runs out the drainage hole. Then put the watering can away and don't touch it again until you see a green shoot emerge from the top of the bulb. This can take 1 to 3 weeks, and the soil should dry down quite a bit during that time. Roots form best in soil that's lightly moist, not soaking wet.
Once the stalk starts growing and buds form, step up your watering to a regular rhythm. Check the soil every 3 to 4 days and water when that top inch feels dry. During full bloom, your plant uses more water. The open flowers and large leaves lose moisture fast. You may end up watering every 5 to 7 days at this point. A hot or dry room could shorten that gap.
After blooming ends and the plant enters its leaf-growing phase through spring and summer, keep watering on the same schedule. The leaves need consistent moisture to photosynthesize and feed the bulb. When late August arrives and you're ready to start dormancy, stop watering completely. Let the leaves yellow and wither on their own over the next few weeks. Don't water again until you bring the bulb back out to start its next growth cycle.
A few practical techniques help you avoid problems at every stage. Pour water at the soil level rather than over the top of the bulb. Moisture sitting in the crown of the bulb invites rot. Always empty the saucer under the pot within 30 minutes of watering so the roots don't sit in standing water. During winter when indoor air runs dry from heating systems, the soil surface can dry out faster but the deeper layers stay moist. That's another reason the finger test works better than any fixed schedule.
Stick to the finger test, adjust for each growth stage, and keep water off the bulb itself. These three habits will keep your amaryllis roots healthy and set the bulb up for bigger, bolder blooms every year.
Read the full article: Amaryllis Plant: Complete Growing Guide
