Audray White globe amaranth (Audray White gomphrena) care

Light

Audray White globe amaranth needs sun on the leaves, not just bright ambient room light. Full sun (6+ hours) is required for compact, upright growth and prolific flowering. In shade, plants become etiolated and flowering declines significantly. Perfect for open, south-facing borders in both US and UK climates. A south or west-facing windowsill in the northern hemisphere is the default; anywhere else, expect the plant to stretch and pale out within a season.

Watering

Water audray white globe amaranth every 5–7 days; drought-tolerant once established. The actual day count varies with pot size, light, and season — the finger test (or lifting the pot to feel its weight) is more reliable than a fixed calendar. Empty any drainage saucer afterwards so the pot isn't sitting in water. Water regularly until established, then reduce frequency. Gomphrena globosa is notably drought-tolerant and dislikes waterlogged roots. Allow the top 2–3 cm of soil to dry before re-watering. Avoid wetting the foliage.

Soil and pot

Audray White globe amaranth grows best in well-drained loam, sandy loam, or average garden soil. Thrives in average to moderately fertile, well-drained soil. Tolerates sandy and slightly alkaline soils. Waterlogged or heavy clay soils cause root rot. pH 5.5–7.5 is acceptable. 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

Audray White globe amaranth sits happiest at around 30–70% humidity and 18–38°C (64–100°F). Highly tolerant of heat and humidity — a distinguishing trait of the species. Performs well in humid summer conditions where many annuals struggle. Good air circulation helps prevent botrytis on damp flower-heads. If you keep the room above 18–38°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 audray white globe amaranth sparingly. Apply a balanced fertiliser (e.g. 10-10-10) at planting. One or two light supplemental feeds mid-season support tall-stemmed cut-flower production. Avoid high-nitrogen formulations that promote vegetative growth over blooms. 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 audray white globe amaranth in the Growli community. Each is annotated with the most common cause so you know where to start.

• Root rot in waterlogged soil — Gomphrena is intolerant of standing water. Ensure excellent drainage at planting; raised beds or mounded soil improve drainage in heavier clay soils.
• Slow germination without pre-soaking — Seeds have a hard coat and benefit from soaking in warm water for 24 hours before sowing or from light scarification. Untreated seeds can take 2–3 weeks to germinate.
• Legginess in insufficient light — Insufficient sun causes weak, floppy stems. Site in full sun only; avoid planting near structures or trees that cast shade during peak sunlight hours.

Propagation

Start seed indoors 6–8 weeks before last frost at 20–22°C after soaking seed for 24 hours; germination in 10–14 days. Transplant outdoors after frost risk passes, spacing 30–38 cm apart. Can be direct-sown in warm climates. Deadhead or harvest regularly to extend blooming. 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

Audray White globe amaranth is pet-safe. Gomphrena globosa is listed as non-toxic to dogs and cats by ASPCA. No known toxic compounds have been identified in the genus for pets or humans. 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.

Audray White globe amaranth deep-dive guides

Every aspect of audray white globe amaranth care, each with its own calibrated guide:

• Common audray white globe amaranth problems & fixes
• Audray White globe amaranth watering schedule
• Audray White globe amaranth light requirements
• Best soil mix for audray white globe amaranth
• Audray White globe amaranth fertilizing guide
• When to repot audray white globe amaranth
• How to propagate audray white globe amaranth
• How to prune audray white globe amaranth
• What's eating my audray white globe amaranth?
• Audray White globe amaranth growth rate & size
• Audray White globe amaranth cold hardiness
• Audray White globe amaranth temperature & humidity
• Is audray white globe amaranth toxic to cats & dogs?
• Is audray white globe amaranth toxic to cats?
• Is audray white globe amaranth toxic to dogs?
• All 8 Gomphrena varieties
• Getting audray white globe amaranth to bloom

Featured in these plant shortlists

Audray White globe amaranth 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

Audray White globe amaranth is also commonly called Audray White globe amaranth or Audray White gomphrena.

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