Package of Johnny's Selected Seeds
Package of Johnny's Selected Seeds
Online Tools & Calculators

Tools &

CALCULATORS

Plan
Plant
  • Seed-Starting Date Calculator »
    This tool figures the dates when it's safe to plant particular early crops outside, based on the frost-free date that you specify.
  • Succession Planting Calculator  XLS »
    This spreadsheet calculator allows you to input the date of your first planting of each crop, then it calculates the dates for later plantings. It also allows you to input your first frost date, counting back the appropriate number of days to determine the last date to plant and still get a crop before frost.
  • Target Harvest Date Calculator XLS »
    Use this tool to coordinate production of one of more crops for harvest by a user-defined target date or otherwise important event.
  • Fall-Harvest Planting Calculator  XLS »
    This spreadsheet calculator works backward from your first frost date to determine the date to start seeds for crops that will mature as it gets cold.
Grow
  • Grower's Library  »
    Johnny's Grower's Library provides an extensive selection of helpful product information files, manuals, charts, planting and growing guides, technical articles, instructional videos, and more. Browse information specific to each of our seed and plant product lines: vegetables, flowers, herbs, and farm seed, as well as tools, supplies, methods, organic certifications, labels, and material safety data sheets.
  • Flower Growing Guide PDF »
    This chart is designed to help you select the best flowers for your situation. Chart includes application, germination time, transplant information, days to harvest, and helpful growing information.
  • Herb Growing Guide PDF »
    This chart will help you plan your herb growing strategy. The chart includes germination time, transplant information, and days to harvest.
  • Growing Ideas »
    Johnny's Blog
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