Why are my new purple Tradescantia and trailing peperomia wilting?

What's likely going on

From the photos, the front purple plant looks like a type of Tradescantia (wandering dude / fantasy Venice type), and the trailing one is a peperomia.

What can be seen:

• Tradescantia: some leaves are limp and browning at the tips.
• Peperomia: stems and leaves look floppy and a bit shriveled, not firm.

Most likely causes (often combined):

1. Post‑nursery shock. New plants go from greenhouse conditions to drier home air and different light, and often sulk or drop some growth the first couple of weeks.
2. Watering problems in nursery soil. Both plants hate sitting in soggy peat. If the pot feels heavy and the soil stays wet for days, roots can start rotting, which shows up as limp, collapsing stems. If it’s bone‑dry and pulling from the sides, they’ll also flop, but the leaves will feel dry or crispy.
3. Too much direct sun / heat. Tradescantia likes bright light but can scorch or dry out fast under strong direct sun or close grow lights. Peperomia prefers bright, indirect light.

What to do

1. Check the soil and roots.
   • Slide each plant gently out of its pot.
   • If roots are mushy, dark, or smell sour, trim the worst bits with clean scissors.
   • If roots are healthy, just loosen them a little.
2. Repot into fresh, well‑draining mix.
   • Use a pot with drainage holes.
   • Mix regular potting soil with 30–40% perlite, pumice, or coarse sand so water runs through easily.
3. Water correctly.
   • After repotting, water once until it drains, then let the top 2–3 cm of soil dry before watering again.
   • Tradescantia can be kept a bit more evenly moist; peperomia prefers to dry out more between waterings.
4. Adjust the light.
   • Place both in bright, indirect light (near a window but not burning midday sun).
   • If using a grow light, keep it a bit higher so leaves don’t overheat.
5. Tidy and wait.
   • Snip off dead or completely limp leaves so the plant can focus on new growth.
   • Give them 2–4 weeks without more changes.

How to prevent it

• Quarantine new plants and check roots within the first week instead of leaving them in nursery soil for months.
• Always use pots with drainage holes and a chunky mix for anything succulent‑like (peperomia) and vining plants.
• Change one thing at a time (light or pot or location) so they can adjust gradually.

When to worry

• If stems at the base turn black and mushy and the plant keeps collapsing, root rot may be advanced.
• If there are gnats flying out of the soil constantly, the mix is staying too wet and may need replacing again.
• If no new growth appears after 4–6 weeks of proper care, take another look at the roots or consider propagating healthy tips of the Tradescantia as a backup.