Species

Agapanthus praecoxAfrican Lily, Lily of the Nile

12 other cultivars

perennial

Galaxy Blue Lily of the Nile

Agapanthus praecox 'Galaxy Blue'

The Story

Plant Bio

Agapanthus praecox 'Galaxy Blue' is known for its vibrant blue flower clusters and attractive foliage, making it a favorite in gardens.

This cultivar is particularly noted for its longer flowering period and striking deep blue flowers that create a stunning visual impact.

Uses & Benefits:

Agapanthus praecox Galaxy Blue offers striking blue flowers that add vibrant color to gardens and containers, thriving in sunny spots.

Its drought tolerance and low maintenance make it ideal for water-wise landscaping.

Provides nectar for pollinators like bees and butterflies, supporting local biodiversity.

SpeciesAgapanthus praecoxAfrican Lily, Lily of the Nile

Essentials

At a Glance

Plant Type

Perennial

Height

24 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

6, 7, 8, 9, 10

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

South Africa

Toxicity

Mildly toxic to humans and pets if ingested; sap may cause skin irritation.

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Planting

How to Grow

Tuck seeds or division pieces into well-draining soil in spring.
Water thoroughly after planting to establish roots.
Mist cuttings regularly to maintain humidity during propagation.
Fertilize monthly during the growing season with a balanced fertilizer.
Prune faded flower stalks to encourage new blooms.
Mulch around plants to retain moisture and suppress weeds.

Pro Tip

Plant in full sun for vibrant blooms and strong growth.

Keep It Thriving

Care Guide

Do

Water deeply during dry spells 🌱
Apply a balanced fertilizer monthly
Deadhead spent flowers to promote reblooming

Don't

Avoid overwatering to prevent root rot ❌
Don't ignore pest signs early
Avoid heavy pruning in late fall

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Divide
Fertilize
Plant
Spring Cleanup
Winter Prep

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vibrant perennial borderContainer centerpiece with lush foliageBrightening shaded garden corners

Companion Plants

Lavender Salvia Coreopsis Echinacea Sedum

Multiply

Propagation Methods

Good to Know

Common Questions

Galaxy Blue Lily of the Nile questions

What zones can Galaxy Blue Lily of the Nile grow in?

Galaxy Blue Lily of the Nile is hardy in USDA Zones 6–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Galaxy Blue Lily of the Nile deer resistant?

Yes — Galaxy Blue Lily of the Nile is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Galaxy Blue Lily of the Nile bloom?

Galaxy Blue Lily of the Nile typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Galaxy Blue Lily of the Nile need full sun?

Galaxy Blue Lily of the Nile does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Galaxy Blue Lily of the Nile drought tolerant?

Yes — once established (usually after the first full season), Galaxy Blue Lily of the Nile handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.