Description of Iris Louisiana 'Heather Stream'

Iris louisiana 'Heather Stream' is a Louisiana iris bred for wet ground and bold flowers. It suits pond edges, bog gardens, and any spot with reliably damp soil. You’ll sometimes see it listed as Louisiana iris 'Heather Stream'.

Appearance

It forms upright fans of lime-green leaves and sends up flower stems around 60 to 90cm. Flowers are purple to lavender with a yellow throat, and they appear from late spring into early summer.

The clump thickens fast in rich wet soil, so it can look full even when it’s not in flower.

Care Guide

Keep it wet and feed it a little in spring.

• Sun: Full sun for best blooms. Part shade is fine in a damp site.
• Soil: Rich, fertile soil that stays wet. Add compost if your bog mix is lean.
• Water: Boggy soil or shallow water around the roots works well.
• After flowering: Snip spent stems and tidy battered leaves.
• Division: Divide every few years in spring to keep flowering strong.

When you divide, replant with rhizomes just covered and keep weeds away while it re-establishes.

Suitability for Bog Garden

Iris louisiana 'Heather Stream' is a strong mid-height plant for bog gardens. Put it behind lower flowers like primroses, or use it to frame a pond shelf.

It also helps with structure. The leaf fans give a clean vertical line, which is useful next to plants with round leaves. If you want a run of irises along an edge, space them so each clump can bulk up without merging into one tight mass.

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