Where to PlantGrowing Guides
Zone-specific planting advice and research-backed plant guides — everything synthesized from university extension research and real growing results.
USDA Zone Guides
About USDA zones →Every zone has a different climate, frost window, and plant palette. Find yours to see what grows well, what struggles, and when to plant.
Not sure of your zone? Look it up by zip code →
Companion Planting
Read the full guide →What actually works, what's folklore, and what will quietly kill a crop. Jump straight to the companions for a specific plant, or read the full guide for the principles behind the pairings.
New to companion planting? Start with the 5 principles that actually work →
Featured Plant Guides
Browse all 93 guides →Tomatoes
The #1 mistake is not the variety — it is the water.
Hydrangeas
Pruning at the wrong time costs you a full year of blooms.
Lavender
It has one rule you cannot break: drainage.
Blueberries
Most bushes die within two years. The fix is soil pH.
Roses
They are not hard. You just have to choose the right one.
Sunflowers
The easiest flower you can grow — if you skip the nitrogen.
