Gymnocalycium Calochlorum
Images by part: leaf (5) · flower (5) · fruit (1) · bark (3) · habit (0) · other (0)

Gymnocalycium Calochlorum

Tier 2 Difficulty: easy Water: low Light: partial_sun
Temperature
20–37 °C
Soil pH
6–7
Hardiness
Zone 9–11
Click count
28
Observations
50

Description

Source: wikipedia (CC BY-SA)

Gymnocalycium calochlorum is a species of Gymnocalycium from Argentina.

Care Guide

💧 Water
☀️ Light Partial sun

Gymnocalycium calochlorum comes from habitats with filtered light, such as forest understories or rocky sites that provide natural shade. It favors partial sunlight but can also tolerate full sun.

Ideal: Partial sun
🌡️ Temperature 20–37.8°C

Although Gymnocalycium calochlorum tolerates some heat, it mainly does best and grows during cooler periods and goes dormant in summer. In very hot weather it should be given shade to avoid scorching from strong sun. Watering should be cut back or stopped during the hottest season to prevent root rot. It grows most vigorously in winter and spring, and as long as temperatures do not fall too low, it will continue to grow steadily.

Ideal temperature: 20–37.8°C
💨 Humidity dry (<40%)

This plant prefers dry conditions, so don't mist it. However, watering it less often can also thrive in higher humidity.

Humidity: dry (<40%)
🪴 Soil 6-7
Soil pH: 6-7
🌱 Fertilizer

For Gymnocalycium calochlorum, giving fertilizer once or twice a year during the growing season is sufficient. Avoid feeding in winter and during summer dormancy. Cut back on fertilizer for plants that have been repotted, and wait a couple of months after repotting before you start fertilizing again. Fertilizing helps maintain healthy growth and encourages flowering.

🪴 Pot & Repot 2-3 years

Repot Gymnocalycium calochlorum in spring or summer, selecting a pot slightly larger than the current one with good drainage. Use a well-draining, sandy or gritty cactus mix. Handle it carefully to avoid the spines. Allow the cactus to dry out before repotting to prevent root rot. After repotting, wait for a week before watering to let the roots heal.

Suggested frequency: 2-3 years
✂️ Pruning
🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Succulent, Shrub
Life Cycle
Perennial
Hardiness Zone
9-11
Mature Height
5 cm to 10 cm
Mature Spread
5 cm to 8 cm
Leaf Color
Dark Green
Leaf Type
Evergreen
Flower Size
3.05 cm to 4.06 cm
Bloom Time
Late spring, Summer, Early fall
Planting Time
Spring, Summer, Autumn
Harvest Time
Late summer, Fall

Tags (5)