perennial

Red Mask Flower

Alonsoa meridionalis 'Red Mask Flower'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

24 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

South America

Toxicity

Non-toxic

The Story

Plant Bio

Alonsoa meridionalis, commonly known as Red Mask Flower, is a perennial herb known for its striking red flowers and attractive foliage. This cultivar is notable for its vibrant red coloration which attracts pollinators, particularly hummingbirds.

Uses & Benefits:

Striking red flowers add vibrant color to borders and containers, attracting hummingbirds and pollinators.

Provides natural pest deterrent with its dense foliage.

Supports local pollinator populations, especially hummingbirds and bees.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

Tuck seeds into well-drained soil in early spring for best germination.
Mist cuttings lightly to maintain moisture and promote rooting.
Transplant seedlings when they have two sets of true leaves, usually after 6 weeks.
Water regularly, keeping soil moist but not waterlogged, especially during dry spells.
Fertilize monthly with a balanced liquid fertilizer during the growing season.
Prune lightly after flowering to encourage bushier growth.

Pro Tip

Use organic compost to enrich soil and improve drainage for healthier plants.

Keep It Thriving

Care Guide

Do

Water consistently to keep soil moist 🌱
Prune after flowering to promote new growth
Mulch around plants to retain moisture
Use organic fertilizers for sustained nutrients

Don't

Avoid overwatering to prevent root rot ❌
Don’t neglect pruning which can lead to leggy growth
Refrain from using chemical pesticides excessively
Don’t plant in poorly drained soil

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vivid garden border with striking red flowersAttractive hummingbird-friendly shrubColorful container centerpiece

Companion Plants

Salvia Petunia Lobelia Verbena Gaura

Multiply

Propagation Methods

Good to Know

Common Questions

Red Mask Flower questions

What zones can Red Mask Flower grow in?

Red Mask Flower is hardy in USDA Zones 9–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Red Mask Flower deer resistant?

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

When does Red Mask Flower bloom?

Red Mask Flower typically blooms in summer to fall through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Red Mask Flower need full sun?

Red Mask Flower does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.