Grower's Library
Pepper seedlings

Starting Seeds Indoors

Here are some guidelines, tips, and troubleshooting advice for growers who are starting seeds indoors.

LEARN
Rows of garden crops.

Chart: Succession Planting for Vegetables

Follow these general guidelines for succession-planting vegetable crops at intervals of 7 days, 10 days, 14 days, 21 days, and 30 days.

LEARN

NEW & RECENTLY REVISED

2025 Digital Seed Catalogs
2025 Digital Master Catalog

Our 2025 Master Catalog • Interactive Digital Catalog

Soil blocks
Soil Blocking: A Better Way to Start Seedlings

Our in-depth article on choosing soil block makers and making soil blocks.• Article

U-Pick flower sign
Starting a U-Pick Flower Farm

How to start a u-pick flower farm, including timing, crop planning, pricing, and liability. • Article

Seed Variety Trialing at Johnny's
Seed Variety Trialing at Johnny's

A few facts & figures from our annual on-farm trialing program • Infographic

Find your growing zone...

Plant Hardiness Zone Map

Need to find your hardiness zone?

LEARN
Planning Tools & Calculators

Planning Tools & Calculators

• Plan • Budget • Schedule • Sow • Harvest & Repeat...

LEARN
Ask A Grower Ask a
Grower
Key Growing Information Key Growing
Information
Tutorial
Online Calculators Planning Tools
& Calculators
Video Library Video Library
Glossary of Terms Glossary of
Terms
Hardiness Zones Hardiness
Zones