A repotting schedule planner shows you a 12-month calendar of optimal repotting windows for each of your plants — so you repot at the right time of year and never miss the spring window that minimizes transplant stress.
Add Your Plants
12-Month Repotting Calendar
Add at least one plant to see your repotting calendar.
How to Use the Repotting Schedule Planner
Repotting at the right time of year makes a dramatic difference in how quickly a plant recovers. Plants repotted in early spring establish roots while actively growing. Plants repotted in winter have to heal and adjust while in semi-dormancy, which extends recovery time significantly and increases transplant stress. This calendar shows you exactly when each of your plants needs repotting and highlights the optimal windows.
Step 1: Add Your Plants
Select each plant from the dropdown and enter the date it was last repotted. If you don't know the exact date, estimate — even "sometime last spring" is useful. You can add multiple plants to see all their schedules in one calendar. The hemisphere setting adjusts spring to the correct months for your location (March-May for northern hemisphere, September-November for southern hemisphere).
Understanding Repotting Frequency
The calculator assigns repotting frequency based on each plant's growth rate. Fast growers (typically "easy" difficulty plants like pothos, philodendrons, spider plants) need repotting every 12-18 months. Moderate growers (peace lilies, dracaenas, rubber plants) need repotting every 18-24 months. Slow growers (ZZ plants, cast iron plants, jade) can go 24-36+ months between repottings.
Reading the Calendar
Dark green cells indicate the optimal repotting window — early spring months when plants are just waking up from winter dormancy. Light green cells indicate acceptable secondary windows (late summer or early fall, when there's still time before winter). Gray cells indicate months to avoid — primarily winter, when repotting stress combines with low-light dormancy to slow recovery dramatically.
Next Repotting Date
Each plant entry shows the calculated next repotting date — based on last repotted plus frequency — adjusted to fall within the nearest optimal spring window. If a plant is due for repotting right now, it will show "Repot now" in the current month's cell. If it's not yet due, the calendar highlights future windows so you can plan ahead.
FAQ
Is this tool free?
Yes, completely free with no signup required.
Is my data safe?
Yes, all calculations run locally in your browser. No data is sent to any server.
When is the best time to repot houseplants?
Early spring (March-May in the northern hemisphere) is ideal for most houseplants. Plants are just emerging from winter dormancy and about to enter their main growing season, giving them maximum time to establish in the new pot before winter. Repotting in fall or winter stresses plants during their most vulnerable period.
How often should I repot my houseplants?
Fast-growing plants (pothos, philodendrons, monsteras) typically need repotting every 12-18 months. Moderate growers need repotting every 18-24 months. Slow growers like ZZ plants, cast iron plants, and snake plants can stay in the same pot for 3-4+ years. A plant that's visibly root-bound — roots circling the bottom, growing out of drainage holes — needs repotting regardless of schedule.
Can I repot at any time of year in an emergency?
Yes — if a plant is severely root-bound, showing signs of root rot, or has become dangerously pot-bound, repot immediately regardless of season. Use fresh potting mix, trim any dead or circling roots, and keep the plant out of direct sun for 1-2 weeks after repotting to reduce transplant stress.
Should I water my plant before repotting?
Water your plant 24-48 hours before repotting. Moist (not soaking wet) soil holds the root ball together better during the transition, reducing root damage. Bone-dry soil falls apart and exposes roots to air. Avoid repotting when soil is waterlogged — soggy roots are more prone to breaking and more susceptible to rot in new soil.
How long until a newly repotted plant recovers?
Most plants show normal growth again within 2-4 weeks after repotting. You may notice temporary wilting or a brief pause in new growth — this is normal transplant shock, not disease. Keep the plant in indirect light, maintain normal watering, and hold off on fertilizing for 4-6 weeks to let roots settle before adding nutrients.