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Artillery Plant

Pilea microphylla

Also listed as Parietaria microphylla, Dubrueilia microphylla

Also known as Gunpowder-plant, Joypowder Plant, Pistolplant

herbaceousβ›… part shadeπŸ’§πŸ’§ moderate water❄ Hardy: Zone 11a – Zone 12b

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A delicate, low-growing houseplant with tiny round leaves and wiry stems, valued for its fine texture and compact mounding habit. Known for its curious tiny flowers that 'shoot' pollen explosively when disturbed.

Why grow it

Artillery plant offers a fine-textured alternative to coarser foliage houseplants, with a naturally compact mounding form that requires minimal pruning to maintain shape. Its primary horticultural distinction is the explosive pollen dispersal mechanism of its flowers, which provides educational value in observing plant reproductive strategy rather than ornamental appeal. It tolerates lower light conditions better than many similarly-scaled houseplants, making it suitable for interior spaces with limited direct sun.

Watch out for

This plant prefers consistently moist (not waterlogged) soil and struggles in dry indoor environments, particularly during heating seasons when humidity drops. It may drop leaves under sudden temperature changes or if relocated frequently between growing locations.

Overview

Form
Mounding
Growth Rate
moderate
Size
0.5–1.5β€² tall Γ— 0.75–1.5β€² wide
Dormancy
evergreen
Family
Urticaceae

Native to the United States

Native Range

Central and South America

Native to: Arkansas, Florida, Georgia, Louisiana, South Carolina, Texas

Seasonality

Season of Interest

SpringSummer

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Companion Planting

Plants well with