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Indoor Seed Planting Guide


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Seed Planting Guide

Before you can transplant seedlings to the garden obviously the seed must first be sown. So when is that ?

This indoor planting guide will help to simplify the process of seed raising by presenting an easy to follow cheat sheet to find the actual date for starting different seeds indoors.

For a vegetable planting guide that gives you the times to plant seeds and seedling outdoors in the garden follow this link.



Calculating Dates

A common reference point used for planning when to sow and plant seeds and seedling in the garden, is the average last spring frost for you area, often referred to as the frost free date (FFD). Different seeds and seedling can be safely sown or planted a certain number of weeks either before or after this date.

Using this date is also helpful in planning when to start seeds indoors and is the reference point that this planting guide uses.

To find the last average frost free date (FFD) for your area follow this link.


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Indoor Seed Starting Cheat Sheet

The page below is a pre made cheat sheet for finding the indoor seed sowing dates with most of the working out done for you. The vegetable are in order, starting with those with the longest seed to transplant time, and the first to sow, to the shortest.

Click this link for a Printer Friendly Version that includes four 30 day calendars to help calculate and record the dates to start seeds.


Indoor Seed Starting Cheat Sheet
Frost Date
Vegetable Plant Type Days Vegetable Plant Type Days
OnionsC84LettuceC45
LeekC70PeppersW39
Brussel SproutsC63Tomatoes W32
CabbageC63Eggplant W31
Collard C59ArugulaC 28
Kale C59Potatoes C28
Swiss Chard C59Spinach NZW22
Kohlrabi C56Okra W17
RadicchioC56Sweet PotatoW17
Cabbage ChineseC53Pumpkin W15
Celeriac C53Squash WinterW15
Celery C53Cucumber W7
Broccoli C52Melons W7
Cauliflower C52Squash SummerW7
Endive C48

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Seed germination

Seed germination times and seedling growth rate can be influenced by a number of variables that affect growth between the time a seed is sown and maturity. Temperature, light intensity, moisture, fertility, vegetable variety and of cause the weather at planting time can add further problems. In essence any seed sowing calendar is only a (well) calculated estimate.


This page has covered the when to start seeds indoors, for the how to start seeds indoors follow this link to the Seed starting section



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More Information










Indoor Planting Guide

Start seeds is the result of counting back the number of days in the DAYS column from the frost free date FFD.

Indoor Planting Guide

Plant Type

The Plant Type column is to identify whether cool or warm season vegetable so the 2 groups can be germinated and grown separately for maximum seedling growth.

Indoor Seed Planting Guide

Best Germ Temp

This is the best temperature to start seeds indoors for the particular group of vegetables.

Indoor Seed Planting Guide

Germination Days

The Germination Days is there as a reference point to check how the seedlings are progressing.

Indoor Seed Planting Guide

Seed to Transplanting

The seed to transplant column is there as a reference to check how the seedling are progressing and also used along with the Time to Plant column to calculate the Sowing Date (Sowing seeds indoors date)

Indoor Seed Planting Guide

Planting Time

Is the number of weeks before or after the last average spring frost a particular group of vegetables can be planted. It is used along with the seed to transplant column to calculate the Sowing Date (Sowing seeds indoors date)

Indoor Seed Planting Guide

Days

Most of the working out has been done. All that is needed is to count back the number of days in this column from the FFD to arrive at the start seeds date










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