Urochloa subquadripara
Images by part: leaf (5) · flower (2) · habit (5)

Urochloa subquadripara

Armgrass millet · Cori grass · Green summer grass

Tier 2 Difficulty: easy Water: low Light: full_sun
Temperature
15–37 °C
Soil pH
6–7
Hardiness
Zone 8–11
0
Observations
24

Care Guide

💧 Water
☀️ Light Full sun

Tropical Signalgrass is a perennial herbaceous plant that favors sunny conditions and comes from open habitats, commonly flourishing in meadows and grasslands. It prefers full sun but can also tolerate partial sunlight.

Ideal: Full sun
🌡️ Temperature 15–37.8°C

Tropical Signalgrass comes from tropical areas, where the climate is generally warm and humid. As a result, it is well suited to high temperatures and humidity. It does not tolerate sudden temperature shifts and prefers a stable thermal environment, so avoiding temperature fluctuations indoors is important. It typically cannot withstand cold and needs higher temperatures for growth. If the surrounding temperature falls too low, the plant may stop growing or even die.

Ideal temperature: 15–37.8°C
💨 Humidity
Humidity:
🪴 Soil 6-7
Soil pH: 6-7
🌱 Fertilizer

Tropical Signalgrass needs extra nutrients to encourage healthy new growth. In spring, adding a layer of compost around the base of the plant will effectively supply the nutrition it requires. Fertilizing helps support vigorous growth and improves the plant’s resistance to diseases and pests.

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

Characteristics

Plant Type
Grass
Life Cycle
Perennial
Hardiness Zone
8-11
Mature Height
5 cm to 61 cm
Mature Spread
20 cm to 40 cm
Leaf Color
Green, Light Green
Leaf Type
Semi-evergreen
Flower Color
Yellow, Green, Brown
Flower Size
2.03 cm to 10.16 cm
Bloom Time
Summer, Early fall, Mid fall
Planting Time
Spring, Summer, Autumn
Harvest Time
Late summer, Fall, Early winter

Tags (5)

Common Names (3)

en Armgrass millet
en Cori grass
en Green summer grass