GrowLegend

GrowLegend is the ultimate cannabis cultivation companion for growers of all levels. Whether you're germinating your first seed or breeding your own strains, GrowLegend has everything you need.

STRAIN LIBRARY Browse a library of 2,350+ cannabis strains, with 900+ fully verified for real genetics, flowering times, THC/CBD, and growth characteristics — and growing every week. Add your own custom strains — complete with your own photo — to build your personal collection.

MY GROW Track up to 3 plants for free — see exactly where each one stands with a progress bar for every stage (Seed, Seedling, Veg, Flower), not just one confusing overall estimate, plus a grower-editable veg length so the app adapts to how you actually grow. Log watering, feeding, and humidity readings, plus PAR/DLI light tracking with stage-aware targets so you always know if your grow light is delivering enough — or too much — for where your plant's at. Capture photos and keep a dated Grow Journal of every step. Made a mistake? Correct your starting method or update stage anytime, export your data to CSV, or archive a finished grow without losing its history.

FEEDING CALCULATOR Get precise nutrient recommendations (A = the main macro+micro blend, B = calcium nitrate (kept separate for chemistry, not nutrient category), MKP = a P/K booster) with EC and pH targets tailored to your plant's current growth stage — enter your water amount and get the exact mix for your batch. EC and pH readings are optional, so meterless growers aren't blocked from logging a feed. Edit or delete any entry, and every feed automatically logs a watering too.

GROW TO DO Smart task management that generates reminders based on your plants' needs, with optional daily push reminders to keep you on track. Never miss a watering, training session, or harvest window again.

BREEDING PROJECTS Plan and track breeding projects with parent selection, generation tracking (F1 through IBL), phenotype logging, and a complete step-by-step breeding guide.

GROWER'S ENCYCLOPEDIA Visual guides covering common pests, nutrient deficiencies, watering issues, nutrient lockout, pruning techniques, and plant diseases — all with real reference images.

PREMIUM FEATURES Upgrade for unlimited plant tracking, unlimited breeding projects, and exclusive growing guides. Free users enjoy full access to the strain library, guides, and up to 3 plants.

Download GrowLegend today and take your grow to legendary status!

GrowLegend Premium is an auto-renewable subscription that unlocks unlimited plant tracking, unlimited breeding projects, and exclusive grow guides. Payment is charged to your Apple ID at purchase. The subscription automatically renews unless canceled at least 24 hours before the end of the current period; your account is charged within 24 hours prior to renewal. Manage or cancel anytime in your App Store account settings.

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