Bacopa (Snowflake flower) care

Light

Bright but filtered. Bacopa burns within days in unfiltered south-facing summer sun, and stops growing within months in deep shade. Prefers bright light with some direct morning sun (2–4 hours) and afternoon shade, particularly in summer. In cool climates (below 25°C) it can tolerate full sun. Shade causes sparse flowering; intense afternoon sun in hot summers causes stress and flower drop. If you only have a south window, set the plant back 1.5 m or hang a sheer curtain — both knock the intensity down into the right range.

Watering

Watering bacopa: every 2–3 days in containers during warm weather; reduce in cooler conditions. 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. Keep soil consistently moist but never waterlogged. Bacopa wilts quickly when dry and may drop flowers; it generally recovers well after a thorough watering. Use containers with drainage holes and empty saucers after watering.

Soil and pot

Bacopa grows best in moist, well-draining potting mix; ph 5.5–6.5. A quality peat-free or peat-based potting compost with perlite (15–20%) works well in containers. Avoid very sandy mixes that dry too quickly. In borders, amend to retain moderate moisture while draining freely. 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

Bacopa sits happiest at around 40–70% humidity and 5–25°C (41–77°F). Appreciates moderate humidity. In very dry, hot air it desiccates quickly and drops flowers. Grouping containers or placing them on trays of damp gravel helps in dry indoor or patio environments. If you keep the room above 5–25°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 bacopa sparingly. Feed every 1–2 weeks with a balanced liquid fertiliser (e.g. 10-10-10) during active growth in spring and early summer. Switch to a high-potassium formulation once flowering is well established. Reduce feeding in midsummer heat when the plant is semi-dormant. 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 bacopa in the Growli community. Each is annotated with the most common cause so you know where to start.

• Summer heat stress and flower drop — Bacopa is a cool-season plant and typically stops flowering or drops buds when temperatures exceed 30°C. Move containers to a shadier, cooler position, reduce feeding, and water consistently. Flowering resumes strongly as temperatures cool in early autumn.
• Powdery mildew — White powdery coating appears on leaves in humid, crowded conditions. Improve airflow around plants, avoid wetting foliage in the evening, and apply a bicarbonate of potassium or sulphur spray at first detection.
• Wilting and drying out — Shallow, fibrous roots dry out very rapidly in small or terracotta containers on hot days. Check moisture daily in summer. Adding water-retaining gel crystals to the potting mix or switching to glazed ceramic containers reduces desiccation risk.

Propagation

Easily propagated from 5–8 cm softwood tip cuttings taken in spring or late summer. Remove lower leaves, dip in rooting hormone, and insert into moist perlite or vermiculite. Roots form in 10–14 days at 18–20°C. Seed is available but cuttings are faster and ensure cultivar fidelity. Thin stems can be layered by pinning stems to moist compost at nodes. 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

Bacopa is pet-safe. Sutera cordata (sold as bacopa) is not listed as toxic by ASPCA. It is unrelated to the aquatic herb Bacopa monnieri. No toxic principles are documented for Sutera. Considered non-toxic to dogs and cats, though ingesting large quantities of any plant may cause minor gastrointestinal upset. 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.

Bacopa deep-dive guides

Every aspect of bacopa care, each with its own calibrated guide:

• Bacopa watering schedule
• Bacopa light requirements
• Best soil mix for bacopa
• Bacopa fertilizing guide
• When to repot bacopa
• How to propagate bacopa
• Bacopa growth rate & size
• Bacopa cold hardiness
• Bacopa temperature & humidity
• Is bacopa toxic to cats & dogs?
• Is bacopa toxic to cats?
• Is bacopa toxic to dogs?
• Getting bacopa to bloom

Featured in these plant shortlists

Bacopa qualifies for 12 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 plants for a north-facing window — Houseplants for a north-facing window: bright, even, indirect light and no scorching direct sun. Each pick verified against its documented light needs.
• Best drought-tolerant houseplants — Houseplants that prefer to dry out — forgiving of forgotten watering and ideal for travel or busy weeks.
• Best trailing & climbing houseplants — Vining and trailing houseplants for shelves, hanging pots, and moss poles — selected by growth habit.
• Best flowering houseplants — Indoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
• Best pet-safe trailing & hanging plants — Trailing and climbing plants the ASPCA lists as non-toxic to cats and dogs — safe for shelves and hanging pots in a pet home.
• 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 a cool room — Houseplants that tolerate cool conditions down to about 10°C — for an unheated spare room, hallway, porch or a home kept cool.
• 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

Bacopa is also known as Bacopa, Snowflake flower, and Sutera.

• Scaly Blazing Star care — light, water and common problems
• Blue Wild Indigo care — light, water and common problems
• White Wild Indigo care — light, water and common problems
• All 6887 plant care guides in the Growli library