Growli

Plant care

QIS Mix statice (Statice) care

Limonium sinuatum 'QIS Mix'

Also called QIS Mix statice, Statice, Sea lavender, Wavyleaf sea lavender.

RHS H3USDA 8-10Pet-safeIndoor 45–60 cm tall

Watering rhythm

7-10days

Every 7–10 days when actively growing; reduce in cool or wet weather

Light

Direct sun (at least 4-6 hours)

Soil

Sandy, very well-drained loam; pH 5.5–7.0

Humidity

30–50%

Temp

10–25°C

Pet safety

Pet-safe

Mature size

45–60 cm tall

Care at a glance

Light

Most houseplants will scorch where qis mix statice thrives. Give it the windowsill you'd otherwise leave empty because everything else burned there. Requires a minimum of 6–8 hours of direct sun daily. Insufficient light reduces stem length and flower count, which are the defining traits of the QIS series. Do not grow in dappled or indirect light. A plant moved abruptly from low light to direct sun bleaches in 48 hours — always acclimatise over a week.

Watering

Aim for every 7–10 days when actively growing; reduce in cool or wet weather for qis mix statice, 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. Allow the top 2–3 cm of soil to dry out between waterings. Statice is highly susceptible to crown and root rot if kept wet. Drought-tolerant once established; overwatering is the primary killer.

Soil and pot

QIS Mix statice grows best in sandy, very well-drained loam; ph 5.5–7.0. Thrives in light, low-fertility soil. Avoid heavy clay or waterlogged conditions. Adding grit or perlite to planting beds improves drainage. Salt tolerance is high, making it suitable for coastal sites. 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

QIS Mix statice sits happiest at around 30–50% humidity and 10–25°C (50–77°F). Prefers low to moderate ambient humidity. High humidity promotes fungal issues such as Botrytis on the papery calyxes. Good air circulation is more important than humidity control. If you keep the room above 10–25°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 qis mix statice sparingly. Apply a balanced slow-release granular fertiliser at planting. Avoid high-nitrogen feeds, which promote leafy growth at the expense of blooms. One light liquid feed at bud stage is sufficient. 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 qis mix statice in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Root and crown rotThe primary cause of plant failure. Caused by waterlogged or poorly drained soil. Ensure gritty, free-draining growing medium and do not water before the surface soil has dried.
  • Botrytis (grey mould)Affects papery calyxes in humid or wet conditions. Improve air circulation, avoid overhead irrigation, and remove spent or damaged tissue promptly.
  • Poor stem length / blind stemsCaused by insufficient light or vernalisation. QIS series requires full sun and, when starting from seed, a cool period (around 10°C) shortly after germination to trigger uniform stem elongation.

Propagation

Sow seeds indoors 8–10 weeks before last frost at 20–22°C; germination in 10–20 days. Seeds require light — sow on the surface and do not cover. Transplant carefully, as statice dislikes root disturbance. Direct sow after last frost 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

QIS Mix statice is pet-safe. Limonium sinuatum is listed as non-toxic to cats, dogs, and horses by the ASPCA. Mild gastrointestinal upset may occur if large quantities are ingested, but no toxic principles have been identified. 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.

QIS Mix statice care — frequently asked questions

What is the common name for Limonium sinuatum 'QIS Mix'?

Limonium sinuatum 'QIS Mix' is most commonly called QIS Mix statice, but it is also known as QIS Mix statice, Statice, Sea lavender, Wavyleaf sea lavender. The names refer to the same species, so care instructions for QIS Mix statice apply identically to anything sold as Statice.

How much light does qis mix statice need?

QIS Mix statice grows best in direct sun (at least 4-6 hours). Requires a minimum of 6–8 hours of direct sun daily. Insufficient light reduces stem length and flower count, which are the defining traits of the QIS series. Do not grow in dappled or indirect light.

How often should I water qis mix statice?

Water qis mix statice every 7–10 days when actively growing; reduce in cool or wet weather. Allow the top 2–3 cm of soil to dry out between waterings. Statice is highly susceptible to crown and root rot if kept wet. Drought-tolerant once established; overwatering is the primary killer. 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 qis mix statice toxic to cats and dogs?

QIS Mix statice is pet-safe. Limonium sinuatum is listed as non-toxic to cats, dogs, and horses by the ASPCA. Mild gastrointestinal upset may occur if large quantities are ingested, but no toxic principles have been identified.

What USDA hardiness zone does qis mix statice grow in?

QIS Mix statice is rated for USDA zone 8-10 and RHS hardiness H3. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

QIS Mix statice deep-dive guides

Every aspect of qis mix statice care, each with its own calibrated guide:

Featured in these plant shortlists

QIS Mix statice qualifies for 10 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

QIS Mix statice is also known as QIS Mix statice, Statice, Sea lavender, and Wavyleaf sea lavender.