Heart-Leaf Golden Alexanders is a native perennial wildflower in the carrot family. It features flat-topped clusters of small, bright yellow flowers in late spring to early summer. The plant is named for its distinctive, heart-shaped basal leaves. It thrives in a variety of habitats, including woodlands, prairies, and meadows, making it a versatile and valuable addition to native plant gardens.
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Growth Habits & Characteristics:
•Height: 1–2 feet
•Spread: 1–1.5 feet
•Sun Requirements: Full sun to partial shade
•Soil Preferences: Well-drained, medium to medium dry soils - can tolerate dryer conditions than Golden Alexanders 
•Lifespan: Perennial
•Bloom Time: Late spring to early summer, blooms for several weeks 
•Water Needs: Moderate; drought-tolerant once established
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Host Insect:
•Black Swallowtail (Papilio polyxenes) – Larvae feed on the foliage
Pollinator Importance:
•Attracts numerous native bees, wasps, and beneficial insects that aid in pollination.
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Companion Plants:
•Asclepias tuberosa (Butterfly Weed) – Provides nectar for butterflies and shares similar growing conditions.
•Penstemon digitalis (Foxglove Beardtongue) – Offers structural contrast and supports bees.
•Geranium maculatum (Wild Geranium) – Complements Zizia aptera in woodland settings.
•Solidago nemoralis (Gray Goldenrod) – Extends the nectar season for pollinators.
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Ecological Importance:
•Pollinator Support: Provides an early-season nectar source for bees, beetles, butterflies, and wasps.
•Host Plant for Black Swallowtail: Plays a crucial role in the life cycle of this butterfly.
•Supports Beneficial Insects: Attracts predatory insects that help control garden pests.
•Soil Stabilization: Helps prevent erosion and improves soil health in prairie and woodland settings.