Water Blinks (Montia fontana)

Water Blinks

Montia fontana

Delicate tiny blooms dance above shallow water, a quiet wetland gem. Annual or perennial aquatic herb; common name: water blinks.

Partial sun
7/week
Beginner
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Plant Needs

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Sunlight Prefers partial shade to full sun; tolerates dappled light over shallow water to avoid leaf scorching
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Watering Requires consistently saturated or submerged substrate; avoid drying out completely
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Temperature Thrives in cool to temperate temperatures; avoid prolonged exposure to temperatures above 28°C
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Characteristics

  • Leaf: Small, oval to spatulate succulent leaves, arranged in basal rosettes or opposite on slender stems
  • Flower: Tiny 5-petaled white blooms, held above foliage on thin, delicate stalks
  • Stem: Slender, creeping or upright stems that often root at nodes in shallow water
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Care Guide

Watering

Keep substrate fully submerged or consistently saturated to support active growth

Fertilization

Diluted liquid aquatic plant feed every 2 weeks. Use low-nitrogen feed to minimize algal growth in water features

Dechlorinated aquarium water:Use water from weekly aquarium water changes to top up the water feature; avoid adding solid debris to prevent water clouding
Pruning
  • Trim dead or yellowing foliage to prevent decay in submerged setups
  • Thin dense mats of growth to improve water circulation and light penetration
  • Remove spent flower stalks to maintain a tidy appearance and redirect energy to foliage growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No known toxicity to cats

Humans: No known toxicity to humans; young leaves are edible in small quantities

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental wetland plant; young leaves are edible in small, raw or cooked portions