The Two-Inch Test: How to Finally Stop Guessing About Watering 💧

Megan Webb

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26d • 🌿 Soil & Plant Health

Watering is one of the topics I get asked about A LOT. How much? How often? Am I doing this right?

Here's the thing: there's no magic number that works for every garden. (𝘐 𝘬𝘯𝘰𝘸, 𝘐'𝘮 𝘴𝘰𝘳𝘳𝘺!)

But there 𝘪𝘴 a simple trick that takes all the guesswork out of it.

✌️ 𝗧𝗵𝗲 𝗙𝗶𝗻𝗴𝗲𝗿 𝗧𝗲𝘀𝘁

Stick your finger about two inches into the soil near your plants. (𝘐𝘵'𝘴 𝘷𝘦𝘳𝘺 𝘩𝘪𝘨𝘩-𝘵𝘦𝘤𝘩 😉)

What you feel tells you everything:

𝗕𝗼𝗻𝗲 𝗱𝗿𝘆 → you waited too long, water now

𝗗𝗮𝗺𝗽 → you're good, check again tomorrow

𝗦𝗼𝗴𝗴𝘆 → hold off, your soil already has plenty

The best time to do this is right before you water AND a few minutes after.

Watering, waiting a few minutes for it to soak in, then checking again, shows you whether you actually watered enough. (This is especially helpful if hand-watering.)

The top of the soil can look damp and fool you into thinking you're done, while the area where the roots actually live is still dry underneath.

✨ 𝗪𝗵𝘆 𝗧𝗵𝗲𝗿𝗲'𝘀 𝗡𝗼 𝗢𝗻𝗲-𝗦𝗶𝘇𝗲-𝗙𝗶𝘁𝘀-𝗔𝗹𝗹 𝗔𝗻𝘀𝘄𝗲𝗿

A few things change how much water your garden needs:

𝗪𝗲𝗮𝘁𝗵𝗲𝗿: Heat speeds up evaporation, so you'll water more in summer and less in spring and fall.
𝗣𝗹𝗮𝗻𝘁 𝘀𝗶𝘇𝗲: Bigger plants have bigger root systems and need more water. Brand-new transplants or seedlings have tiny roots, so they need less water overall, even though it feels like they'd need more attention.
𝗖𝗼𝗻𝘁𝗮𝗶𝗻𝗲𝗿𝘀 𝘃𝘀. 𝗶𝗻-𝗴𝗿𝗼𝘂𝗻𝗱 & 𝗿𝗮𝗶𝘀𝗲𝗱 𝗯𝗲𝗱𝘀: Pots, grow bags, and towers like a GreenStalk dry out much faster than a raised bed or in-ground garden. Smaller containers have more surface area exposed to heat, so the soil warms up (and dries out) quicker.

🍂 𝗠𝘂𝗹𝗰𝗵 𝗜𝘀 𝗬𝗼𝘂𝗿 𝗕𝗲𝘀𝘁 𝗙𝗿𝗶𝗲𝗻𝗱

Mulch is just a layer of material you put on top of your soil to protect it, and it's one of the easiest ways to keep moisture from evaporating so fast.

My personal favorite is straw. It's light in color, so it reflects heat instead of absorbing it, and it breaks down easily, feeding your soil as it goes. When I'm ready to plant a new round, I can either mix the old straw right into the soil to keep decomposing, or just push it aside and plant.
Shredded leaves (run over fallen leaves with a lawnmower) are another great option. They hold in moisture just like straw and break down even faster, adding organic matter to your soil along the way.

📝 𝗔 𝗖𝗼𝘂𝗽𝗹𝗲 𝗠𝗼𝗿𝗲 𝗤𝘂𝗶𝗰𝗸 𝗧𝗶𝗽𝘀

Drip irrigation is worth it if you can swing it. It delivers water slowly right at the soil level, so it has time to soak in deep instead of running off.
𝗪𝗮𝘁𝗲𝗿𝗶𝗻𝗴 𝗼𝘃𝗲𝗿𝗵𝗲𝗮𝗱? Try to avoid getting the leaves wet. Damp leaves create the perfect conditions for fungal diseases to take hold. If overhead watering is your only option, water once, wait a few minutes, then go back and water again so it has a chance to soak in deeper instead of just wetting the surface.

𝗔 𝗯𝗲𝗴𝗶𝗻𝗻𝗲𝗿 𝗺𝗶𝘀𝘁𝗮𝗸𝗲 𝗜 𝘄𝗮𝗻𝘁 𝘁𝗼 𝗵𝗲𝗹𝗽 𝘆𝗼𝘂 𝗮𝘃𝗼𝗶𝗱 = watering a little bit every single day.

Frequent shallow watering trains roots to stay near the surface instead of growing deep, which actually makes your plants more vulnerable during hot spells.
Less frequent, deeper watering builds a stronger, more drought-resistant root system.

Try the finger test next time you water and tell me what you find! Was your soil drier or wetter than you expected?

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The Two-Inch Test: How to Finally Stop Guessing About Watering 💧