Growing Tips · Built for Northern California

Growing Tips, written for NorCal.

Practical, right-timed for our zone. Real ratios, real product names, real timing — the stuff we wish we'd known sooner.

Raised BedsSoil Volume

How Much Soil Do I Need for a Raised Bed?

The simple formula for raised-bed soil — measure, multiply, and convert to bags or cubic yards — with a worked example and how deep to fill for healthy roots.

The Earthworm Soil Factory TeamJune 16, 2026

TomatoesVegetables

Best Soil for Tomatoes in Northern California

What tomatoes need from soil in Northern California — depth, drainage, biology, and nutrition — plus how to plant them and head off blossom-end rot.

The Earthworm Soil Factory TeamJune 16, 2026

Buying GuideSoil Blends

Garden Blend vs Premium Blend: Which Soil Do You Need?

Same foundation, different jobs. A plain comparison of Garden Blend and Premium Blend — which to use for lawns and landscaping versus vegetables and raised beds.

The Earthworm Soil Factory TeamJune 16, 2026