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Plant care

Strawberry Fields gomphrena (Strawberry Fields globe amaranth) care

Gomphrena haageana 'Strawberry Fields'

Also called Strawberry Fields gomphrena, Strawberry Fields globe amaranth, haage globe amaranth.

RHS H2USDA 2–11Pet-safeIndoor 60–75 cm tall

Watering rhythm

Direct sun (at least 4-6 hours)

Weekly; drought-tolerant once established

Light

Direct sun (at least 4-6 hours)

Soil

Well-drained loam or sandy loam, average fertility

Humidity

30–70%

Temp

18–40°C

Pet safety

Pet-safe

Mature size

60–75 cm tall

Care at a glance

Light

Strawberry Fields gomphrena needs sun on the leaves, not just bright ambient room light. Full sun (6–8 hours minimum) is essential. 'Strawberry Fields' is bred for performance in hot, sun-drenched conditions and produces its best colour and stem length in unobstructed sun. Shade reduces flower production and stem quality. 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 strawberry fields gomphrena weekly; 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 deeply once a week during the growing season, allowing soil to dry slightly between waterings. Once established, plants withstand short dry periods. Avoid standing water around the crown; good soil drainage is critical.

Soil and pot

Strawberry Fields gomphrena grows best in well-drained loam or sandy loam, average fertility. Average, well-drained garden soil suits this species well. Overly rich soils can reduce flowering. Tolerates sandy and slightly alkaline conditions. Work in a modest amount of compost at planting if soil is very poor. pH 5.5–7.5. 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

Strawberry Fields gomphrena sits happiest at around 30–70% humidity and 18–40°C (64–104°F). Gomphrena haageana is even more heat- and humidity-tolerant than G. globosa, making 'Strawberry Fields' an excellent choice for hot, humid US climates (Deep South, Mid-Atlantic summers) or warm UK glasshouse growing. If you keep the room above 18–40°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 strawberry fields gomphrena sparingly. A single application of balanced fertiliser (10-10-10) at planting is sufficient in average soil. For cut-flower production, a low-nitrogen liquid feed every 3–4 weeks encourages taller, stronger stems. Avoid excessive nitrogen. 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 strawberry fields gomphrena in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Root and stem rot from poor drainageThe greatest threat to 'Strawberry Fields' is waterlogged soil. Plant in raised beds or mounded rows if drainage is imperfect; do not overwater, particularly in cooler UK summers.
  • Aphids on new growthAphid colonies can form on young shoot tips. Blast off with water or apply insecticidal soap spray. Natural predators (ladybirds, hoverflies) are attracted by the flowers — avoid broad-spectrum pesticide use.
  • Short vase life if cut too earlyFor longest vase life, harvest stems when the bracts are fully coloured and firm, not when they are young and soft. Cut in the morning, condition in deep cool water for several hours before arranging.

Propagation

Sow indoors 6–8 weeks before last frost at 21–24°C; soak seeds 24 hours in warm water before sowing to aid germination (7–14 days). Transplant after all frost risk has passed, spacing 30–40 cm apart. Direct-sow in warm climates once soil has warmed to 18°C+. Harvest stems regularly to encourage continued production. 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

Strawberry Fields gomphrena is pet-safe. Gomphrena haageana is not individually listed by ASPCA, but is in the same genus (Gomphrena) as G. globosa which ASPCA lists as non-toxic. The genus has no known toxic principles to dogs, cats, or horses. 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.

Strawberry Fields gomphrena care — frequently asked questions

What is the common name for Gomphrena haageana 'Strawberry Fields'?

Gomphrena haageana 'Strawberry Fields' is most commonly called Strawberry Fields gomphrena, but it is also known as Strawberry Fields gomphrena, Strawberry Fields globe amaranth, haage globe amaranth. The names refer to the same species, so care instructions for Strawberry Fields gomphrena apply identically to anything sold as Strawberry Fields globe amaranth.

How much light does strawberry fields gomphrena need?

Strawberry Fields gomphrena grows best in direct sun (at least 4-6 hours). Full sun (6–8 hours minimum) is essential. 'Strawberry Fields' is bred for performance in hot, sun-drenched conditions and produces its best colour and stem length in unobstructed sun. Shade reduces flower production and stem quality.

How often should I water strawberry fields gomphrena?

Water strawberry fields gomphrena weekly; drought-tolerant once established. Water deeply once a week during the growing season, allowing soil to dry slightly between waterings. Once established, plants withstand short dry periods. Avoid standing water around the crown; good soil drainage is critical. 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 strawberry fields gomphrena toxic to cats and dogs?

Strawberry Fields gomphrena is pet-safe. Gomphrena haageana is not individually listed by ASPCA, but is in the same genus (Gomphrena) as G. globosa which ASPCA lists as non-toxic. The genus has no known toxic principles to dogs, cats, or horses.

What USDA hardiness zone does strawberry fields gomphrena grow in?

Strawberry Fields gomphrena is rated for USDA zone 2–11 (grown as annual) and RHS hardiness H2. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Strawberry Fields gomphrena deep-dive guides

Every aspect of strawberry fields gomphrena care, each with its own calibrated guide:

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Strawberry Fields gomphrena qualifies for 9 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Strawberry Fields gomphrena is also known as Strawberry Fields gomphrena, Strawberry Fields globe amaranth, and haage globe amaranth.