Grower's Library
Woman standing in a field of sunflowers

How to Choose the Best Sunflowers

The advantages and disadvantages of single-stem vs. branching sunflowers.

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

2024 Master Catalog cover
2024 Digital Master Catalog

Our 2024 Master Catalog • Interactive Digital Catalog

Snapdragons in the overwintered tunnel
Guide to Overwintering Flowers

Our three-part guide on the overwintering process. • Article

Forced tulip bulbs
Guide to Forcing Flower Bulbs

A guide to forcing flower bulbs for early spring blooms. • 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