Alonsoa meridionalis
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Alonsoa meridionalis

Maskflower

Tier 1 Difficulty: medium Water: low Light: full_sun
Temperature
20–37 °C
Soil pH
6–7
Hardiness
Zone 9–11
Click count
64
Observations
18

Description

Source: leafsnap

Alonsoa meridionalis (syn. Alonsoa grandiflora, Alonsoa incisifolia and Alonsoa warscewiczii), is an ornamental plant in the family Scrophulariaceae.

Care Guide

💧 Water

The Red Mask Flower thrives in moist, well-drained conditions and needs to be watered weekly for optimal growth. While it can tolerate short dry spells, it is ideally suited for temperate gardens where it benefits from natural rainfall patterns, making it an excellent choice for outdoor planting.

☀️ Light Full sun

The red mask flower needs plenty of sunlight to thrive and maintain healthy growth. Its native habitat reflects this need, being largely filled with unobstructed sunlight. Too little or too much light can harm the plant's health and may cause it to decline.

Ideal: Full sun
FAQ
What are the sunlight requirements for Red Mask Flower?

The Red Mask Flower (Alonsoa meridionalis) thrives in an environment that mirrors its original habitat, which is abundant in sunlight. For optimal growth, it requires full sun, defined as more than 6 hours of direct sunlight daily, or partial sun, approximately 3-6 hours of sunlight. It's vital to observe the movement of sunlight through your garden to ensure you're providing the right balance of light and shade. An imbalance, either scarcity or excess of light, could significantly affect the plant's vitality.

How can artificial lighting benefit indoor Red Mask Flowers?

Indoor Red Mask Flowers, when deprived of natural sunlight, especially during winter or in less sunny areas, can greatly benefit from artificial lighting. Artificial lights, such as LEDs, can be customized to provide specific wavelengths needed for optimal growth, promoting healthier development. Full sun plants require 30-50W/sq ft, partial sun plants need 20-30W/sq ft, and full shade plants need 10-20W/sq ft of artificial light. The light source should be placed 12-36 inches above the plant to mimic natural sunlight, and the lights should be on for 8-12 hours per day to simulate natural daylight hours.

What are common symptoms of inappropriate lighting for Red Mask Flower?

Symptoms of inappropriate lighting for the Red Mask Flower include small leaves, leggy or sparse growth, faster leaf drop, and slower or no new growth, indicative of light deficiency. Conversely, symptoms of excessive sunlight exposure include chlorosis, where leaves lose their green color, sunscald, damage from intense sunlight exposure, leaf curling as a defense mechanism to reduce water loss, wilting from increased water loss, and leaf scorching characterized by brown, dry edges on leaves.

What are the solutions to improper lighting for Red Mask Flowers?

To address improper lighting, gradually acclimate your Red Mask Flower to receive at least 6 hours of direct sunlight daily, if indoors, use a south-facing window or consider supplemental artificial light sources, and keep them on for at least 8 hours daily. For outdoor plants, move them to sunnier locations gradually to avoid sunburn. If the issue is shade from obstructions, consider pruning or transplanting to a sunnier spot. However, note that portions of the plant affected by insufficient sunlight may not recover, but new growth should be healthy following these adjustments.

🌡️ Temperature 20–37.8°C

Red mask flower can tolerate a broad range of temperatures, but its distribution may still be restricted by particular combinations of moisture and heat. It does best in warm summer climates with enough rainfall or irrigation. Long stretches of cloudy, rainy weather, as well as prolonged high temperatures, can raise the risk of the Red mask flower dying. In winter, proper protection from cold can increase the plant's chances of survival.

Ideal temperature: 20–37.8°C
FAQ
What is the common name of Alonsoa meridionalis?

The common name of Alonsoa meridionalis is Red mask flower.

What are the essentials to know about the Red mask flower?

There are no specific essentials provided for the Red mask flower.

What are the symptoms of issues related to the Red mask flower?

No symptoms related to issues with the Red mask flower have been provided.

💨 Humidity
Humidity:
🪴 Soil 6-7
Soil pH: 6-7
🌱 Fertilizer

The best time to fertilize a Red mask flower is in early spring, when it is coming out of dormancy and beginning active growth. Fertilization supplies essential nutrients needed for healthy growth. Although the Red mask flower has relatively low fertilization requirements, fertilizing once a year can improve its survival and encourage better, longer-lasting blooms.

🪴 Pot & Repot Every 12 months
Suggested frequency: Every 12 months
✂️ Pruning

The Red Mask Flower flourishes with vibrant blooms when given proper care. To ensure healthy growth, prune your plant from late winter to early spring by removing spent blooms and trimming overgrown branches. This helps maintain the plant's shape, promotes health by eliminating dead or diseased parts, and enhances overall growth and flowering. For detailed care instructions, consult your local horticulture guidelines.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Herb
Life Cycle
Perennial
Genus
Alonsoa
Family
Scrophulariaceae
Hardiness Zone
9-11
Mature Height
61 cm
Mature Spread
40 cm
Leaf Color
Green
Leaf Type
Evergreen
Flower Color
Red, Orange
Flower Size
2.54 cm
Bloom Time
Late spring, Summer, Fall
Planting Time
Spring, Summer, Autumn
Harvest Time
Mid summer, Late summer, Fall, Early winter
Native Area
Colombia, Honduras, Mexico, Guatemala, Bolivia, Venezuela, Peru, El Salvador, Nicaragua, Ecuador, Costa Rica, Panama

Tags (5)

Common Names (1)

en Maskflower