perennial

Siler's Tuberose

The Story

Plant Bio

Manfreda sileri is a perennial succulent with fleshy, sword-shaped leaves that form rosettes, producing tall flower spikes with tubular, bell-shaped flowers that range in color from white to pale pink.

This species is valued for its drought tolerance and striking architectural foliage, making it an excellent choice for xeriscaping and low-maintenance gardens.

Uses & Benefits:

Adds architectural interest with its striking rosette form and purple hues, thriving in xeriscapes.

Requires minimal water and maintenance, ideal for drought-prone areas.

Supports pollinators attracted to its flowers and insects seeking nectar.

Essentials

At a Glance

Plant Type

Perennial

Height

12 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

8, 9, 10

Water

Low

Humidity

Dry to moderate

Lifespan

Perennial

Native To

Mexico

Toxicity

Sap may cause skin irritation

Bloom period

Early summer – Mid-summer

In flower about 2 months of the year

Planting

How to Grow

Choose well-draining sandy or rocky soil.
Plant in full sun for optimal growth.
Water sparingly after establishment, about once every 2 weeks.
Mulch around the base to retain moisture and prevent weeds.
Divide every 3-4 years in early spring to rejuvenate.
Tuck seeds or cuttings into soil and mist lightly to propagate.

Pro Tip

Ensure excellent drainage to prevent root rot and promote healthy growth.

Keep It Thriving

Care Guide

Do

Water sparingly during drought conditions 🌱
Provide full sun for best flowering
Divide in early spring to maintain vigor
Use well-draining soil to prevent rot

Don't

Overwater, leading to root rot ❌
Plant in poorly-draining soil
Expose to excessive shade
Neglect division and pruning

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Silver-foliaged borderRock garden accentDrought-tolerant garden bed

Companion Plants

Agave Sedum EchinocereusLavender Yucca

Multiply

Propagation Methods

Good to Know

Common Questions

Siler's Tuberose questions

What zones can Siler's Tuberose grow in?

Siler's Tuberose is hardy in USDA Zones 8–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Siler's Tuberose deer resistant?

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

When does Siler's Tuberose bloom?

Siler's Tuberose typically blooms in early summer through mid-summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Siler's Tuberose need full sun?

Siler's Tuberose does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Siler's Tuberose drought tolerant?

Yes — once established (usually after the first full season), Siler's Tuberose handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.