Seed-Starting & Garden Calendar
Type your last frost date once and get a dated sow and transplant plan for your crops.
Enter your last spring frost date and pick your crops. You get dated sow, harden-off and transplant tasks, repeat sowings for crops like lettuce and beans, a month calendar and a task list. Change the frost date and every date moves. 23 editable crop timings, printable wall calendar, works offline on your phone.
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One-time purchase, no subscription. Download link by email. Refund within 14 days if it doesn't help.
Timings are typical starting points. Your seed packet, local extension office and weather come first.
Seed-Starting & Garden Calendar
Sample plan, last spring frost Apr 20, 2027
Sow pepper and broccoli indoors
Tue Feb 23, first of 19 tasks in the plan
Try it here
This is the demo build with sample numbers. Saving and export are switched off.
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What you get
- One date drives everything: change your last frost date and every task re-dates instantly
- 23 built-in crops with editable typical timing, plus your own crops and varieties, no cap
- Succession sowings repeat every set number of days and stop at your last safe date before fall frost
- A next-14-days list, a month calendar and an all-tasks list by week; tick tasks off and keep the history
- Prints a one-page wall calendar for any month plus the full task list, and works offline on your phone
Who it's for
Home vegetable and flower gardeners who buy seeds in winter and want to know exactly when to start each one, without a spreadsheet, a tab per zone or a diary they never keep up.
Questions
Do I need to know my hardiness zone?
No. The tool uses your last spring frost date, which your local extension office or a frost-date reference for your town will give you. There is no location lookup and nothing is sent anywhere.
Are the built-in crop timings right for my garden?
They are typical starting points, labelled as such. Your seed packet, local extension office and the weather come first. You can edit any crop's timing, reset it to the default, or add your own crops.
What happens when I change the frost date?
Every sow, harden-off and transplant date moves with it, and so do repeat sowings. Tasks you have already ticked stay ticked.
How do repeat sowings work?
For crops with a repeat interval, such as lettuce every 14 days, you choose a set number of sowings or repeat until the last safe date, which is your first fall frost minus the crop's days to maturity. Whichever limit comes first applies.
Does it work offline and keep my plan?
Yes. It is one HTML file that saves on your device as you type. Use Export for a backup file and Import to move it to another device.
Does it work on my phone?
Yes. Each tool is a single file that opens in the browser on any iPhone, Android phone, tablet or computer. There's no app to install.
Where do my numbers go?
Nowhere. Everything you type stays on your own device. The tools work offline and never send your data anywhere.
Is there a subscription?
No. You pay once and keep the file. Fixes to the version you bought are free.
Pay once,
$12
You get the file, free fixes to version 1.0.0, and your money back within 14 days if it doesn't help.
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Read the refund policy