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Ipheion

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description Ipheion Overview

Ipheion is a small genus of bulbous plants native to South America. The best-known species, Ipheion uniflorum, is commonly called spring starflower and produces pale blue to white, six-pointed flowers in spring. Its narrow leaves have an onion-like smell when crushed, reflecting the plant's placement within the broader onion family, Amaryllidaceae, in modern classifications. It is grown as a seasonal garden bulb in mild climates.

help Ipheion FAQ

What is Ipheion uniflorum called in gardens?

Ipheion uniflorum is commonly called spring starflower. It produces pale blue to white, six-pointed flowers in spring and is the species most people mean when they ask for Ipheion.

Why do Ipheion leaves smell like onions?

The narrow leaves of Ipheion contain onion-like compounds, so crushing them releases a noticeable smell. That scent is a useful clue that the plant belongs to the bulbous genus Ipheion rather than being an unrelated blue-flowered perennial.

Does Ipheion grow from a bulb?

Yes, Ipheion is a bulbous South American plant, and the bulb supports its seasonal growth and dormancy. Plant Ipheion uniflorum in well-drained soil with sun or light shade, then allow the foliage to die back naturally after flowering.

Can spring starflower spread over time?

Ipheion uniflorum can form expanding clumps when it is happy, especially in a well-drained bed where the bulbs can rest during dormancy. Give each clump room and avoid heavy summer watering while the foliage is absent.

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