How To Track Indoor Seedlings Without Plant Tags

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This seedling tracking system keeps your indoor seed sowing organized without needing tags at this stage of growth. It’s a smart way to save time and effort.

Once you’re seedling are larger, use this cheap and easy system for making plant tags.

Simple Way to Track Seedlings

This is a really simple way to keep track of the seeds you’ve started indoors without having to prepare plant tags or labels at sowing time.

Instead, you label your planting tray like a spreadsheet with rows and columns and use it over and over again.

You can find all of my seed starting tips here.

Here’s a short video demonstration:

Supplies

I use 10×20″ trays. My local garden nursery gives away any trays and pots that customers return to them (and they recycle the rest), so I get what I need each spring.
A 4-cell 2″ soil blocking tool works perfectly with this size of tray. One tray holds 50 (2″) soil blocks.
Permanent marker.

Diagram showing how to track seedlings in growing tray.

Planting Notes

Using a permanent marker, label your tray in rows and columns, just like a spreadsheet.
Each tray gets a unique number (for example: Tray #1).
A 10×20″ tray accommodates 5 rows (named A to E) and 10 columns (named 1 to 10).
I keep notes on everything I plant so I can monitor which seeds are most successful at harvest time.