OGW Editorial Team 
Free vegetable garden planner — enter your bed size and crop list, get exact plant counts, spacing, and companion suggestions. Works for raised beds and in-ground gardens.
Free plant spacing calculator — enter your bed dimensions and crop to see exactly how many plants fit using square foot spacing or traditional row spacing, side by side.
Free soil pH calculator — enter your current pH, target pH, and soil type to get the exact amount of lime or sulfur to add per 100 square feet. Includes pH ranges for 30+ vegetables.
Free companion planting tool — enter any vegetable, flower, or herb and instantly see which plants help it thrive and which ones to keep away. Based on proven pairing data for 60+ crops.
The complete seed starting guide for home gardeners — when to start, how to set up your station, the best mix, germination troubleshooting, hardening off, and free planning tools.
Seedlings need fertilizer at exactly the right time — too early burns roots, too late starves plants. Here’s the true leaf rule, what to feed, and how much for every growth stage.
Seeds that won’t sprout almost always have one fixable cause. Here are the 7 most common reasons seeds fail to germinate — with a soil temperature table, real product recommendations, and the quick reference diagnostic chart.
Seed starting trays are not all the same. Here’s the honest breakdown of 72-cell vs 50-cell vs soil blocks, what self-watering trays actually do, and which setup to buy for which crops.
What’s actually in seed starting mix, which store-bought brands work best, and whether making your own DIY seed starting mix is worth it — with a tested recipe that costs half as much.
Hardening off seedlings is the bridge between indoor growing and outdoor thriving. Here’s the exact 7-day schedule, the signs that go too fast, and the common shortcuts that backfire.