Plant Database / Texas Natives / Tropical Sage (Scarlet Sage)
Texas Natives

Tropical Sage (Scarlet Sage)

Salvia coccinea
Lamiaceae (Mint)

A native salvia that reseeds itself and blooms red (or coral/white) from spring to frost for hummingbirds.

Texas nativeDrought-toughFull sunPollinatorPart shade
Tropical Sage (Scarlet Sage) (Salvia coccinea) illustration — Texas Roots plant database, by Jordan Polasek
Sun
Full sun to part shade
Water
Low
Soil
Well-drained
pH
6.0-7.5
Hardiness
Native annual/short perennial
Height
1-3 ft
Spacing
18 in
Days to harvest
Blooms first year

What it is

Tropical Sage (Scarlet Sage) (Salvia coccinea) is in the Lamiaceae (Mint) family. A native salvia that reseeds itself and blooms red (or coral/white) from spring to frost for hummingbirds.

How to grow it

It wants full sun to part shade, water it low, and give it well-drained soil. Target a soil pH around 6.0-7.5. Space plants about 18 in apart. Expect roughly Blooms first year. Native annual/short perennial.

How it's used

Tropical Sage (Scarlet Sage) is used: ornamental; pollinator.

🔎 How to identify it

  • Triangular toothed leaves
  • Square stems
  • Red tubular flower spikes

Not for eating

Grown for the garden, soil, or pollinators — not as food.
The grow guide

How to grow & propagate tropical sage (scarlet sage)

Everything I've worked out about starting this one, keeping it alive through a Texas year, and turning one plant into many — free.

How to propagate tropical sage (scarlet sage)

Almost everything in the mint family roots from cuttings so readily it feels like cheating. Snip a 4–5 inch non-flowering tip, strip the bottom leaves, and either set it in a glass of water on the windowsill or push it straight into damp potting mix. You'll usually see roots in 1–2 weeks. Seed works too, but cuttings give you an exact copy of the parent — which matters when one plant tastes better than its neighbor.

Beginner's path: take more cuttings than you think you need. They're free, they cost you nothing but a few minutes, and the ones that take more than make up for the ones that don't. This is how a single plant becomes a hedge, a row, or a gift for every neighbor on the street.

Growing tropical sage (scarlet sage) in Texas

Give it full sun to part shade and well-drained soil. Match the spot to the plant and most of the battle is already won.

Time your planting to our long warm season and watch the frost dates at both ends; the live weather tool on this site is built for exactly that.

Once it's rooted in, this is a low-water plant — overwatering does more harm than drought here. Water deeply to establish, then back off and let it prove how tough it is.

Harvesting

Figure on roughly blooms first year before you're harvesting.

Making more for free

If you want more, let your healthiest plants mature fully and collect the seed once it's dry on the plant — then store it somewhere cool, dark, and dry until next season.

🌤 Before you plant: check the live 7-day garden weather to time it right for frost and heat.

Part of the free Texas Roots plant database, compiled by Jordan Polasek from his greenhouse in El Campo, Texas. Free to read and share. If it helped, the best thanks is to grow something.