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Arrowhead

Sagittaria sagittifolia

aquatic

A distinctive aquatic plant notable for its arrow-shaped leaves and delicate three-petaled white flowers borne on tall stems. Highly variable in leaf form depending on water depth, ranging from submerged ribbon-like foliage to emergent arrow-shaped leaves. The tubers produced underground make this an excellent choice for wildlife ponds and natural aquatic gardens.

Arrowhead

Common Problems

Select the problem your Arrowhead is experiencing to get a treatment guide.

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Yellow Leaveschevron_right
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Root Rotchevron_right
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Brown Spotschevron_right
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Slow Growthchevron_right

Care Guide

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Light
Full sun to partial shade (5+ hours of direct sunlight promotes flowering)
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Water
Thrive in shallow water 6–18 inches deep; can also grow in boggy soil at water's edge
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Soil
Rich, heavy soil or specialized aquatic potting soil; nutrient content supports robust growth
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Fertiliser
Apply balanced aquatic fertilizer monthly during growing season; tuber formation benefits from phosphorus
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Temperature
Hardy in cool to temperate zones; dies back in winter; tubers overwinter underground
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Humidity
Requires permanently high moisture and wet conditions; unsuitable for dry environments

Toxicity

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Non-toxic; tubers are edible in some species and safe for all household members

Common Diseases

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Common Pests

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Seasonal Care

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Resume regular watering and feeding as growth picks up.

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Peak growing season. Water and feed regularly.

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Reduce watering as growth slows. Stop heavy feeding.

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Minimal watering and feeding. Protect from frost if needed.