Stemwyn: Plant & Grow Journal

Stemwyn is a simple, private garden journal for vegetables, herbs, houseplants, fruit, flowers and more. Saving seeds or breeding your own vegetable and flower varieties? Track every cross, parent and generation. Customize every stage name, tag and score to match the way you garden. PLANTS • Give every plant a profile with photos, notes, location and variety • See its current stage, day counts and progress at a glance • Customizable stages: start with Seedling, Growing, Blooming and Harvest, or rename, reorder and add your own (Fruiting, Dormant, anything) • Move a plant to its next stage with a confirmation so you never tap it by accident • Keep beds and shelves together with Groups & beds, and note each plant's light: full sun, part shade or hours under a grow light CARE & REMINDERS • Log watering, feeding, top-dressing, compost tea, mulch, water changes (plain water or with nutrients), height, pruning and staking, pests and problems • Schedule future care on the calendar (feeding, top-dressing, compost tea, watering, water change) with a one-time reminder; mark it done to log it • Quick log and Water all to update many plants at once • Garden in soil, in water with mineral nutrients (pH, EC and PPM with a built-in nutrient calculator), or both • Optional notifications when a plant is due, with Snooze and Skip. Reminders are scheduled on your device SEED SAVING & BREEDING • Keep seed parents and pollen parents and see how long you've had each one • Keep projects for crosses, seed lots, cuttings, and seed saving and selection over generations • Score plants 1-10 (vigor, flavor, disease resistance, yield and more), follow cuttings and rooting success, and see each project's seeds, selections and timeline HARVEST • Record the weight of each harvest (fresh, or dried for herbs, beans and seeds) • See totals by year, top yields and milestones CHARTS • Track height over time and see simple charts for each plant • Centimeters or feet and inches, grams or ounces: your choice in Settings JOURNAL & VLOG • One timeline of all your entries across plants • Add photos and short videos (Vlog, under More) to build a season-by-season garden diary YOURS TO KEEP • No account, no ads, no tracking. We don't run any servers • Your journal stays on your device, and in your own iCloud if you turn on backup • Back up and restore any time; export as CSV or a PDF summary • Light and dark themes, built-in Help • A sample garden to explore on first launch (or start empty), removable any time in Settings FREE WITH 3 PLANTS, ONE-TIME STEMWYN PRO • Stemwyn is free with up to 3 active plants. Archived plants and the sample garden don't count • Stemwyn Pro is a one-time in-app purchase for unlimited plants. No subscription • Nothing is ever locked or hidden: if you have more plants than the free limit (for example after restoring a backup), you can still view and edit everything • Restore Purchases any time in More › Stemwyn Pro Questions or ideas? Contact us from the Support link on this page.