Plant care
Red-Topped Sage (Annual Clary) care
Salvia viridis
Also called Red-Topped Sage, Annual Clary, Painted Sage, Annual Clary Sage.
Watering rhythm
Direct sun (at least 4-6 hours)
Water when the top 3 cm of soil feels dry
Light
Direct sun (at least 4-6 hours)
Soil
Well-drained, light to moderately fertile loam or sandy soil
Humidity
Low to moderate (30–50%)
Temp
15–25°C
Pet safety
Pet-safe
Mature size
40–55 cm tall
Care at a glance
Light
Aim for at least 4-6 hours of direct sun on the leaves. Requires full sun (6–8 hours daily) for compact growth and vivid bract colour; plants grown in shade become tall and leggy with dull colouring. If your only bright window faces south, that's perfect for red-topped sage — same window any aroid would fry on.
Watering
Watering red-topped sage: water when the top 3 cm of soil feels dry. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Moderately drought-tolerant once established; avoid waterlogging as this Mediterranean native is prone to root rot in persistently wet soils.
Soil and pot
Red-Topped Sage grows best in well-drained, light to moderately fertile loam or sandy soil. Tolerates poor and alkaline soils; rich, heavy soils result in rank leaf growth and a risk of botrytis; good drainage is essential. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.
Humidity and temperature
Red-Topped Sage sits happiest at around Low to moderate (30–50%) humidity and 15–25°C (59–77°F). Prefers drier air conditions in keeping with its Mediterranean origin; high humidity increases powdery mildew risk, especially on dense plantings. If you keep the room above 15–25°C year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.
Fertilising
Feed red-topped sage sparingly. A single application of balanced granular fertiliser at planting time is usually sufficient; too much nitrogen suppresses bract colour and produces soft, disease-prone growth. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.
Common problems
Below are the issues we see most often on red-topped sage in the Growli community. Each is annotated with the most common cause so you know where to start.
- Aphids — Colonies of aphids often colonise the soft new growth and coloured bracts; remove by hand or treat with insecticidal soap, being careful not to disfigure the ornamental bracts.
- Botrytis (grey mould) — Wet summers or overhead watering can trigger grey mould on the bracts and stems; improve air circulation, water at the base, and remove affected material promptly.
Propagation
Direct sow outdoors after the last frost, or start indoors 6–8 weeks before the last frost at 18–21°C; seeds germinate in 10–14 days. Self-seeding is reliable in mild climates. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.
Toxicity to pets
Red-Topped Sage is pet-safe. Salvia species are listed as non-toxic to cats and dogs by the ASPCA. Salvia viridis poses no toxicity risk to household pets. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).
Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.
Red-Topped Sage care — frequently asked questions
What is the common name for Salvia viridis?
Salvia viridis is most commonly called Red-Topped Sage, but it is also known as Red-Topped Sage, Annual Clary, Painted Sage, Annual Clary Sage. The names refer to the same species, so care instructions for Red-Topped Sage apply identically to anything sold as Annual Clary.
How much light does red-topped sage need?
Red-Topped Sage grows best in direct sun (at least 4-6 hours). Requires full sun (6–8 hours daily) for compact growth and vivid bract colour; plants grown in shade become tall and leggy with dull colouring.
How often should I water red-topped sage?
Water red-topped sage water when the top 3 cm of soil feels dry. Moderately drought-tolerant once established; avoid waterlogging as this Mediterranean native is prone to root rot in persistently wet soils. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.
Is red-topped sage toxic to cats and dogs?
Red-Topped Sage is pet-safe. Salvia species are listed as non-toxic to cats and dogs by the ASPCA. Salvia viridis poses no toxicity risk to household pets.
What USDA hardiness zone does red-topped sage grow in?
Red-Topped Sage is rated for USDA zone 4–11 (grown as annual) and RHS hardiness H2. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.
Red-Topped Sage deep-dive guides
Every aspect of red-topped sage care, each with its own calibrated guide:
- Common red-topped sage problems & fixes
- Red-Topped Sage watering schedule
- Red-Topped Sage light requirements
- Best soil mix for red-topped sage
- Red-Topped Sage fertilizing guide
- When to repot red-topped sage
- How to propagate red-topped sage
- How to prune red-topped sage
- What's eating my red-topped sage?
- Red-Topped Sage growth rate & size
- Red-Topped Sage cold hardiness
- Red-Topped Sage temperature & humidity
- Is red-topped sage toxic to cats & dogs?
- Is red-topped sage toxic to cats?
- Is red-topped sage toxic to dogs?
- All 154 Salvia varieties
- Getting red-topped sage to bloom
Featured in these plant shortlists
Red-Topped Sage qualifies for 10 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:
- Best pet-safe houseplants — Houseplants the ASPCA lists as non-toxic to cats and dogs — every one verified against the ASPCA toxic and non-toxic plant list.
- Best drought-tolerant houseplants — Houseplants that prefer to dry out — forgiving of forgotten watering and ideal for travel or busy weeks.
- Best flowering houseplants — Indoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
- Best pet-safe low-maintenance plants — Non-toxic to cats and dogs and forgiving of forgotten watering — the easiest safe choices for a busy pet household.
- Best pet-safe flowering plants — Flowering houseplants the ASPCA lists as non-toxic to cats and dogs — colour and blooms in a pet home, without the worry.
- Best pet-safe plants for bright light — Non-toxic to cats and dogs and happy in a bright, sunny spot — safe plants for your best-lit windowsill.
- Best houseplants for full sun — Houseplants that want direct sun — the species for a hot south or west-facing windowsill where shade-lovers scorch.
- Best fast-growing houseplants — Houseplants documented as fast or vigorous growers — quick to fill a pot, cover a pole or trail down a shelf.
- Best cat-safe plants — Houseplants the ASPCA lists as non-toxic to cats (and dogs) — safe greenery for a home with a curious cat.
- Best dog-safe plants — Houseplants the ASPCA lists as non-toxic to dogs (and cats) — safe greenery for a home with a curious dog.
- Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more
Related guides
Red-Topped Sage is also known as Red-Topped Sage, Annual Clary, Painted Sage, and Annual Clary Sage.