Malpighiaceae
Mexican Goldshower (Galphimia glauca)
Galphimia glauca
A low-maintenance shrub thriving in warm climates with full sun. Water moderately until established, then reduce as it becomes drought-tolerant. Ensure well-draining soil. Light pruning after flowering keeps its compact form and encourages reblooming.
Every 10 days
Direct sun
-2° - 38°C
30% - 60%
Categories
What is Mexican Goldshower?
Mexican Goldshower (Galphimia glauca) is a easy-care plant from the Malpighiaceae family. Galphimia glauca, commonly known as Mexican Goldshower or Thryallis, is a compact evergreen shrub native to Mexico and Central America. It produces masses of small, bright yellow star-shaped flowers from spring through fall, creating a stunning display that attracts hummingbirds and butterflies. Unl...
Mexican Goldshower grows up to 1.8m, with spread of 120cm, watering every 10 days, -2°C – 38°C, 30–60% humidity. It is suitable for indoor environments and safe for pets.
Unlike many tropical plants, Mexican Goldshower tolerates watering mistakes. Best for beginners. Unlike many popular species, Mexican Goldshower is safe to keep around pets. Without adequate drainage, root rot can develop within 20 days.
How to Care for Mexican Goldshower?
TLDR: Mexican Goldshower needs Direct sun, watering every 10 days, and temperatures between -2-38°C with 30-60% humidity.
How Often Should You Water Mexican Goldshower?
Water every 10 days during the growing season. Once established, Mexican Goldshower is drought-tolerant and prefers the soil to dry out between waterings. Avoid overwatering to prevent root rot.
How Much Light Does Mexican Goldshower Need?
Requires full sun (6-8 hours of direct sunlight daily) for optimal flowering. In partial shade it will grow but produce fewer blooms. Ideal for sunny borders, patios, and open garden beds.
What Is the Best Soil for Mexican Goldshower?
Thrives in well-draining soil, sandy or loamy preferred. Tolerates a wide pH range (6.0-8.0). Avoid heavy clay soils that retain moisture. Amend with sand or perlite if drainage is poor.
What Pot Should You Use for Mexican Goldshower?
Terracotta or ceramic pot with drainage holes. Best grown directly in the ground outdoors. If in a container, use a minimum 40 cm diameter pot for optimal growth.
Care Schedule
Fertilize
Every 60 days
Repot
Every 730 days
What Is Mexican Goldshower and Where Does It Come From?
Galphimia glauca, commonly known as Mexican Goldshower or Thryallis, is a compact evergreen shrub native to Mexico and Central America. It produces masses of small, bright yellow star-shaped flowers from spring through fall, creating a stunning display that attracts hummingbirds and butterflies. Unlike Galphimia gracilis, this species features more rounded leaves with a distinctive blue-green underside. It is valued both as an ornamental garden shrub and for its use in traditional Mexican medicine.
How to Propagate Mexican Goldshower?
Semi-hardwood stem cutting
Use clean, sharp pruning shears. Ideal rooting temperature is 20-25°C. Misting helps maintain humidity without oversaturating the medium.
- 1 Take a 10-15 cm semi-hardwood cutting with 2-3 pairs of leaves
- 2 Remove lower leaves and dip the base in rooting hormone
- 3 Plant in moist, well-draining medium (sand + perlite mix)
- 4 Place in a warm spot with bright indirect light
- 5 Keep substrate moist but not waterlogged until rooted
Materials needed:
Seed sowing
Fresh seeds have the best germination rates. Seedlings typically flower around 6 months after germination.
- 1 Collect fresh (green) seeds from the parent plant
- 2 Sow in sandy substrate at 0.5 cm depth
- 3 Maintain at 20-22°C with moist substrate
- 4 Germination occurs in 2-4 weeks
- 5 Transplant when seedlings reach 5-8 cm
Materials needed:
How Big Does Mexican Goldshower Grow?
TLDR: Mexican Goldshower can reach up to 1.8m tall with Medium growth rate.
Max height
1.8m
Spread
1.2m
Growth rate
Medium
Foliage
Evergreen
Plant Uses
Ornamental
Great for decoration
Medicinal
Medicinal properties
Medicinal Uses
- Traditional Mexican medicine for anxiety and nervousness
- Extracts studied for anxiolytic and antidepressant properties
- Used in ethnobotanical preparations for social phobia treatment
Is your plant showing symptoms?
Click on the symptom to discover possible causes:
What Diseases Commonly Affect Mexican Goldshower?
TLDR: Mexican Goldshower is susceptible to 6 known diseases. Monitor regularly for early detection.
Root Rot
Root rot is a serious fungal disease that affects the root system of plants, causing them to decay and die. It is primarily caused by overwatering, poor drainage, or soil-borne fungi such as Pythium, Phytophthora, Rhizoctonia, and Fusarium. The disease thrives in waterlogged conditions where roots are deprived of oxygen, making them susceptible to fungal infection.
Spider Mites
Spider mites are tiny arachnids (less than 1/20 inch long) related to spiders and ticks that feed on plant sap. They thrive in hot, dry conditions and can cause significant damage to ornamental and vegetable plants. During severe infestations, crop losses can reach 14% or higher as these pests disrupt vital plant processes including photosynthesis, carbon dioxide absorption, and transpiration.
Whiteflies
Whiteflies are small, soft-bodied, winged insects closely related to aphids and mealybugs. They are moth-like in appearance, about 1/16 inch long, triangular in shape, and gray-white in color. These sap-sucking pests feed on plant tissue, causing yellowing, stunted growth, and wilting. They also excrete honeydew, which attracts ants and promotes sooty mold growth. Whiteflies can transmit serious plant viruses.
Caterpillars
Caterpillars are the larval stage of moths and butterflies that feed voraciously on plant foliage, stems, flowers, and fruits. Common species include cabbage loopers, tomato hornworms, armyworms, and cutworms. These pests can cause extensive damage by consuming large amounts of plant tissue in a short time. They vary in size from small (1/4 inch) to large (5 inches), with colors ranging from green to brown, often featuring stripes or spots. Caterpillars are highly mobile and can quickly spread throughout gardens, making them one of the most destructive common pests.
Meaning & Symbolism
In Mexican tradition, it symbolizes joy, abundance, and wellness. Its golden flowers represent prosperity and vitality.
Fun Facts
A recognized medicinal plant in Mexico since pre-Hispanic times, used to treat anxiety
Can live over 40 years in ideal warm climates
Unlike Galphimia gracilis, its leaves have a distinctive blue-green underside
Attracts hummingbirds and butterflies with its nectar-rich yellow flowers
Frequently asked questions
How often should I water Mexican Goldshower?
Can Mexican Goldshower grow in a pot?
Is Galphimia glauca toxic to pets?
Why is my Goldshower not blooming?
When should I prune Mexican Goldshower?
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|---|---|---|---|---|
| Peace Lily | Easy | Low light | 4d | ⚠️ |
| Swiss Cheese Plant | Easy | Partial shade | 10d | ⚠️ |
| Golden Pothos | Easy | Low light | 8d | ⚠️ |
| ZZ Plant | Easy | Low light | 18d | ⚠️ |
