UD5 Toolkit
Liquid Fertilizer Dilution Calculator – Online Mix Ratio
Calculate how much liquid fertilizer concentrate to add per gallon of water based on desired N concentration.
Gardening & Plant Tools
13+ toolsCompost Ratio Calculator – Online Brown/Green Balance Tool
Adjust material types (leaves, grass) to achieve the ideal 30:1 C:N ratio. Improve compost bin performance. Local only.
Repotting Time Checker – Online Know When to Repot by Roots
Visual guide to identify root-bound plants. Calculates next pot size up. Keep indoor plants healthy.
Average Frost Date Lookup – Online Enter Zip Code for Garden
Find average first and last frost dates for your zip code using cached NOAA data. Garden planning essential.
Succulent Watering Schedule – Online Reminder by Season
Set a custom watering frequency reminder for succulents, with seasonal adjustment. Visual icon. Works offline after setup.
Companion Planting Guide – Online Garden Friend/Foe Checker
Select a vegetable and see its best companion plants and which to avoid. Visual grid with quick reference. Improve garden yield and health naturally.
Carnivorous Plant Water Guide – Online PPM & TDS Reference
Learn what water is safe (rain, distilled, low PPM) for pitcher plants and flytraps. Visual PPM scale.
Seed Starting Calendar - Online Last Frost Date Planner
Enter your average last frost date and generate a planting schedule for vegetables and flowers. Know exactly when to start seeds indoors or direct sow.
Air Plant Soaking Timer – Online Weekly Tillandsia Care
Set weekly reminders to soak your air plants. Timer and drying instructions included.
Solar Light Sun Exposure Plotter – Online Daily Direct Sun Check
Select your latitude and day of year to see sun path and identify spots with the most direct sunlight for solar garden lights. Simple visual tool.
Harvest Readiness Guide – Online When to Pick Vegetables Chart
Look up when common vegetables are ready to harvest based on visual signs. Quick reference for beginner gardeners.
Houseplant Problem Identifier – Online Leaf Symptoms
Click on leaf symptoms (yellow, brown tips, spots) to diagnose common houseplant issues and solutions.
Fertilizer NPK Calculator - Online Nutrient Mix Ratio
Calculate how much fertilizer to add based on desired N‑P‑K ppm and water volume. For hydroponics and soil growers.