Scarlet sage care guide
Salvia splendens
Also known as: Salvia splendens, Red salvia
Pets and children
We haven't been able to confirm how this plant affects pets or small children. If any is eaten, consult a veterinarian or a doctor.
How often to water Scarlet sage
- Spring–Summer (Mar–Sep)
- Every 2 days
- It wilts quickly when dry, so as a guide water thoroughly once the topsoil dries, checking pots morning and evening in midsummer.
- Autumn (Oct–Nov)
- Every 3 days
- It still needs water while blooming in fall, but usually less often, about every two or three days once the soil dries.
- Winter (Dec–Feb)
- Every 7 days
- Generally treated as an annual killed by frost; plants kept indoors get sparing water a few days after the soil dries.
Light and placement for Scarlet sage
A sunny, airy spot is the guide; hot afternoon sun in midsummer can scorch the leaves, so bright shade in the afternoon also works well.
Overwintering Scarlet sage
Overwintering guide: 5°C (41°F) or above
Cold-tender and usually finished after the fall bloom; to keep it, move it to a bright window when nights drop below about 10°C and hold it above 5°C.
Fertilizing and repotting Scarlet sage
Fertilizer
Mix slow-release fertilizer in at planting and give liquid feed about every two weeks from May to October, easing off while flowering pauses in midsummer.
When to repot
Spring–Summer (Mar–Sep)
Common problems with Scarlet sage
- Drying out in midsummer wilts the leaves and weakens the plant.
- Spent flower spikes left on the plant stop new ones from forming.
- Too little light makes the stems leggy and the flower color pale.
Tips for growing Scarlet sage
- Cutting spent spikes back along with the stem brings a fresh flush in fall.
- When flowering slows in the heat, cutting back by about half in July or August helps.
- Wider spacing keeps the plants airy and healthy through fall.
These are AI-generated general guidelines. They vary with the variety, the placement and the pot size. For effects on pets or children, consult a veterinarian or a doctor.
Keep your plant log going
Greenery is a free app that keeps your plant care going, with watering reminders and photo records. Available on iOS and Android.
