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Plant care

Big Kiss Yellow Flame Gazania (Treasure Flower) care

Gazania x hybrida

Also called Treasure Flower, Big Kiss Gazania, Hybrid Gazania.

RHS H3USDA 8-11Pet-safeIndoor 20-25 cm tall

Watering rhythm

7-14days

When the top 3-5 cm of soil is dry, roughly every 7-14 days

Light

Direct sun (at least 4-6 hours)

Soil

Sandy or gritty, sharply draining soil

Humidity

20-50%

Temp

10-38°C

Pet safety

Pet-safe

Mature size

20-25 cm tall

Care at a glance

Light

Most houseplants will scorch where big kiss yellow flame gazania thrives. Give it the windowsill you'd otherwise leave empty because everything else burned there. Requires full sun — a minimum of 6-8 hours of direct sunlight daily. This cultivar was bred for high-temperature performance; flowers open to face the sun and close at night, a normal physiological response. A plant moved abruptly from low light to direct sun bleaches in 48 hours — always acclimatise over a week.

Watering

Aim for when the top 3-5 cm of soil is dry, roughly every 7-14 days for big kiss yellow flame gazania, but treat that as a starting point rather than a rule. A south-facing summer windowsill will dry the pot twice as fast as a north-facing winter room. Lift the pot; if it feels noticeably lighter than it did wet, water it. Water deeply but infrequently; Gazania x hybrida is highly drought-tolerant. Overwatering causes crown and root rot, the most common failure mode. Container plants should be checked more frequently in peak summer heat.

Soil and pot

Big Kiss Yellow Flame Gazania grows best in sandy or gritty, sharply draining soil. Lean, well-drained soil produces the best flowering. Avoid rich, heavy, or moisture-retentive mixes. In containers use a loam-based compost with 25-30% coarse grit or perlite. Neutral to slightly alkaline pH (6.5–7.5). 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

Big Kiss Yellow Flame Gazania sits happiest at around 20-50% humidity and 10-38°C (50-100°F). Thrives in the low-moderate humidity typical of open, sunny gardens. High humidity in poorly ventilated conditions can encourage fungal crown disease; good air circulation is important. If you keep the room above 10 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 big kiss yellow flame gazania sparingly. Apply a slow-release balanced granular fertiliser at planting. In containers, supplement with a high-potash liquid feed every two to three weeks. Avoid nitrogen-heavy feeding which reduces flowering. 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 big kiss yellow flame gazania in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Crown rotAvoid heavy, wet soils and planting in low-lying areas; ensure sharp drainage at all times.
  • AphidsCheck flower stems regularly and treat with insecticidal soap at first sign.
  • Flowers closed during the dayIf light levels are adequate this may indicate overcast conditions or plant stress; check for root issues.
  • Powdery mildewImprove air circulation between plants and apply fungicide if the problem persists.
  • Poor germination from seedEnsure seed is fresh and provide consistent 18-20°C soil temperature; very old seed germinates poorly.

Companion plants

Big Kiss Yellow Flame Gazania pairs well with Portulaca grandiflora, Mesembryanthemum crystallinum, and Osteospermum ecklonis. These are species with similar light and water needs, so you can group them in the same room or on the same shelf and water as a batch.

Propagation

Raise from seed sown at 18-20°C in early spring, barely covering; germination takes 7-14 days. Named cultivars do not come true from seed saved at home — purchase fresh F1 seed annually for consistent results. 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

Big Kiss Yellow Flame Gazania is pet-safe. Gazania x hybrida (hybrid Treasure Flower) is not listed by the ASPCA as toxic to dogs or cats. The Gazania genus is generally regarded as non-toxic and pet-safe for typical garden settings. 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.

Big Kiss Yellow Flame Gazania care — frequently asked questions

What is the common name for Gazania x hybrida?

Gazania x hybrida is most commonly called Big Kiss Yellow Flame Gazania, but it is also known as Treasure Flower, Big Kiss Gazania, Hybrid Gazania. The names refer to the same species, so care instructions for Big Kiss Yellow Flame Gazania apply identically to anything sold as Treasure Flower.

How much light does big kiss yellow flame gazania need?

Big Kiss Yellow Flame Gazania grows best in direct sun (at least 4-6 hours). Requires full sun — a minimum of 6-8 hours of direct sunlight daily. This cultivar was bred for high-temperature performance; flowers open to face the sun and close at night, a normal physiological response.

How often should I water big kiss yellow flame gazania?

Water big kiss yellow flame gazania when the top 3-5 cm of soil is dry, roughly every 7-14 days. Water deeply but infrequently; Gazania x hybrida is highly drought-tolerant. Overwatering causes crown and root rot, the most common failure mode. Container plants should be checked more frequently in peak summer heat. 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 big kiss yellow flame gazania toxic to cats and dogs?

Big Kiss Yellow Flame Gazania is pet-safe. Gazania x hybrida (hybrid Treasure Flower) is not listed by the ASPCA as toxic to dogs or cats. The Gazania genus is generally regarded as non-toxic and pet-safe for typical garden settings.

What USDA hardiness zone does big kiss yellow flame gazania grow in?

Big Kiss Yellow Flame Gazania is rated for USDA zone 8-11 (grown as annual in zones below 8) and RHS hardiness H3. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Big Kiss Yellow Flame Gazania deep-dive guides

Every aspect of big kiss yellow flame gazania care, each with its own calibrated guide:

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Big Kiss Yellow Flame Gazania is also known as Treasure Flower, Big Kiss Gazania, and Hybrid Gazania.