Justicia secunda
Images by part: leaf (5) · flower (5) · fruit (1) · bark (5) · habit (5) · other (1)

Justicia secunda

Blood root · Father John · Red justicia · St. John's Wort

Tier 2 Difficulty: medium Water: low Light: partial_sun
Temperature
20–37 °C
Soil pH
6–7
Hardiness
Zone 10–12
Click count
122
0

Care Guide

💧 Water
☀️ Light Partial sun

The plant Justicia secunda originates from habitats like forest understories or rocky regions, places where it naturally encounters shade. While it prefers conditions of partial sunlight, it possesses the ability to adjust to full sunlight or complete shade, showcasing its adaptable and robust characteristics.

Ideal: Partial sun
🌡️ Temperature 20–37.8°C

The Justicia secunda plant hails from tropical areas, which are characterized by hot and damp climates. Consequently, it's acclimated to high heat and moisture. This plant doesn't fare well with abrupt alterations in temperature and prefers a consistent temperature surrounding. Therefore, ensuring temperature stability indoors is crucial. It generally doesn't survive well in cold climates and needs warm temperatures to grow. Too low temperatures can halt its growth or potentially lead to its death.

Ideal temperature: 20–37.8°C
💨 Humidity
Humidity:
🪴 Soil 6-7
Soil pH: 6-7
🌱 Fertilizer

Appropriate fertilization is essential for Justicia secunda's health and appearance. Fertilize Justicia secunda in the summer, applying it once a month throughout the season. Nutrients drive growth and help maintain the plant's parts. Fertilizing improves Justicia secunda's flowering display, ensuring the best blooms.

🪴 Pot & Repot
✂️ Pruning
🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Herb
Life Cycle
Perennial
Genus
Justicia
Family
Acanthaceae
Hardiness Zone
10-12
Mature Height
76 cm
Mature Spread
7.92 m
Leaf Color
Green, Dark Green
Leaf Type
Evergreen
Flower Color
Purple, Violet
Flower Size
3.05 cm to 4.06 cm
Bloom Time
All year round
Planting Time
Spring, Summer, Autumn
Harvest Time
All year round
Native Area
Colombia, Venezuela, Guyana, Ecuador, Panama

Tags (7)

Common Names (4)

en Blood root
en Father John
en Red justicia
en St. John's Wort