Springtails

Springtails are tiny jumping arthropods, 1 to 2 mm (about 0.04 to 0.08 in) long, that live in soils rich in organic matter. They are attracted to excess moisture and feed on fungi and plant debris in potting mix, so their presence is a direct sign of overwatering. Although harmless to the plant itself, an overpopulation signals conditions favorable to root rot, a much more serious problem.

Signs to check

• White or gray insects, 1–2 mm (about 0.04–0.08 in) long, visible on the soil surface.
• Visible, erratic jumping when the potting mix is watered or disturbed.
• Increased numbers in the saucer or in the top few centimeters (roughly the top inch or so) of moist potting mix.
• No direct damage, such as spots or holes, on the plant's leaves or stems.

What you may see

• Mold on the soil surface · A white or yellowish, cottony or powdery coating develops on the surface of your plant's potting mix.

What to do now

Treat waterlogged potting mix

1. Stop all watering immediately. Do not add another drop.
2. Gently remove the plant from its pot to inspect the roots. This is the most important step.
3. Examine the root system: healthy roots are white and firm, while rotten roots are brown, black, and soft and come away easily.
4. Use clean, disinfected pruning shears or scissors to cut off all rotten roots without hesitation. Keep only the healthy part of the root system.
5. Discard the old, waterlogged potting mix and clean the pot with hot, soapy water to kill the fungi and bacteria responsible for rot.
6. Repot the plant in fresh, dry, well-draining potting mix. Choose a pot only slightly larger than the volume of roots remaining.
7. Wait at least 3 to 5 days before the first very light watering. The plant needs time to heal and form new rootlets.

Prevention

• Always check the potting mix with your finger 5 cm (about 2 in) deep before watering.
• Always use pots with drainage holes.
• Empty the saucer 30 minutes after each watering so roots do not sit in water.
• Adjust watering frequency to the seasons: reduce it significantly in fall and winter where growth and water use slow down.