bulb corm tuber

San Carlos Rain Lily

Zephyranthes traubii 'San Carlos'

The Story

Plant Bio

Zephyranthes traubii 'San Carlos' is a bulbous perennial known for its delicate white flowers that bloom in late summer.

This cultivar is appreciated for its drought tolerance and ability to thrive in various soil types, including sandy soils.

Uses & Benefits:

Feature vibrant pink flowers that brighten garden spaces in summer.

Requires minimal watering once established, making it ideal for drought-prone areas.

Attracts pollinators like bees and butterflies, supporting local ecosystems.

Essentials

At a Glance

Plant Type

Bulb Corm Tuber

Height

12 inches

Width

6 inches

Light

Full Sun, Partial Sun

Zones

7, 8, 9, 10

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Mexico and Central America

Toxicity

All parts are toxic if ingested.

Bloom period

Late summer – Early fall

In flower about 2 months of the year

Planting

How to Grow

Tuck bulbs 2 inches deep in well-draining soil.
Mist cuttings lightly after planting for root development.
Water regularly during growing season, avoid waterlogging.
Fertilize with a balanced fertilizer in spring and early summer.
Remove dead foliage to encourage new growth.
Divide clumps every 3–4 years for healthy propagation.

Pro Tip

Plant in full sun for best flowering and ensure well-drained soil to prevent bulb rot.

Keep It Thriving

Care Guide

Do

Water consistently during active growth 🌱
Apply balanced fertilizer in spring and summer
Remove spent flowers to promote new blooms
Mulch to retain moisture and regulate soil temperature

Don't

Avoid overwatering to prevent bulb rot ❌
Don’t plant in heavy clay soil without amendment
Refrain from disturbing bulbs during dormancy
Never neglect pest control if pests appear

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Violet-flowered borderDrought-tolerant garden bed

Companion Plants

Lavender Sedum Echinacea Coreopsis Gaillardia

Multiply

Propagation Methods

Good to Know

Common Questions

San Carlos Rain Lily questions

What zones can San Carlos Rain Lily grow in?

San Carlos Rain Lily is hardy in USDA Zones 7–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is San Carlos Rain Lily deer resistant?

Yes — San Carlos Rain Lily is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does San Carlos Rain Lily bloom?

San Carlos Rain Lily typically blooms in late summer through early fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does San Carlos Rain Lily need full sun?

San Carlos Rain Lily does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is San Carlos Rain Lily drought tolerant?

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