Gallant Soldier (Galinsoga parviflora)

Gallant Soldier

Galinsoga parviflora

A delicate, fast-spreading wildflower that thrives in disturbed soils. Annual herbaceous weed.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Prefers full sun to partial shade; tolerates low light in disturbed urban areas
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Watering Drought-tolerant; water only when the top 2 cm of soil is completely dry to avoid root rot
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Temperature Hardy to light frost; thrives in temperate to warm conditions, avoids extreme heat above 38°C
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Characteristics

  • Leaf: Opposite, ovate to lanceolate, serrated margins, light green, 2–7 cm long
  • Flower: Small composite heads with white ray florets and yellow disc florets, 5–8 mm diameter
  • Stem: Slender, hairy, branching freely from the base
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Care Guide

Watering

Keep soil slightly moist during active growth periods

Fertilization

No regular fertilization required; tolerates low-nutrient soils. Optional diluted organic feed can support faster growth in poor soils

Banana peel compost tea:Steep fully composted banana peels in water for 24 hours; dilute 1:20 for root drench to support flowering and foliage growth
Pruning
  • Deadhead spent flowers to reduce self-seeding and prevent unwanted spread in garden beds
  • Trim overgrown stems to maintain a compact, tidy growth habit
  • Remove entire plants if controlling spread in managed garden areas
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: Non-toxic; young leaves and stems are edible raw or cooked

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Garden Uses & Culture

Culture: N/A

Usage: Edible young leaves and stems used in salads or cooked as greens; traditional medicinal use for minor skin inflammation