Agapanthus – Lily of the Nile – Desert Horizon Nursery

Agapanthus – Lily of the Nile

Agapanthus praecox
Categories:
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Water
Water deeply and regularly during active growth, allowing the top 1–2 inches of soil to dry between waterings. Increase attention during extreme summer heat; reduce watering in winter. Not suitable for unirrigated desert landscapes.
Description
An evergreen, clump-forming perennial with arching, strap-shaped leaves and rounded clusters of blue flowers on upright stalks; requires protection from Phoenix’s intense summer sun.
Deciduous / Evergreen
Special Features
Growth Rate
Growth Habit
Foliage Color
Garden Style
Toxic to pets & humans if ingested; sap is a skin/eye irritant.
Care Instructions

Light: Morning sun with afternoon shade or bright filtered light. Avoid exposed western sites and reflected heat; deep shade reduces flowering.

Water: Water deeply and regularly during active growth, allowing the top 1–2 inches of soil to dry between waterings. Increase attention during extreme summer heat; reduce watering in winter. Not suitable for unirrigated desert landscapes.

Soil: Well-drained soil enriched with compost; slightly acidic to neutral soil is preferred. Avoid waterlogged clay and monitor for nutrient deficiencies in Phoenix’s alkaline soils.

Mature size: Foliage reaches about 1–2 feet tall and 2–3 feet wide; flower stalks reach approximately 2–3 feet tall.

Bloom: Typically late spring through summer, depending on cultivar and growing conditions.

Evergreen / deciduous: Evergreen in mild winters; foliage can be damaged by freezing temperatures.

Growth rate: Moderate; slower under extreme heat or moisture stress.