Here’s a full description of the Ruby Longan plant:

🌳 Ruby Longan Plant (Dimocarpus longan ‘Ruby’)
The Ruby Longan, also known as Scarlett's Ruby Longan, is a rare and visually striking cultivar of the longan fruit tree (Dimocarpus longan), grown for both its ornamental beauty and delicious fruits.

🔍 General Description:
Common Name: Ruby Longan

Scientific Name: Dimocarpus longan ‘Ruby’

Family: Sapindaceae (same as lychee, rambutan)

Origin: Southeast Asia; now grown in India, Thailand, Indonesia, and tropical regions worldwide.

🌿 Plant Characteristics:
Type: Tropical/subtropical evergreen fruit tree

Height: 3–6 meters (10–20 feet) in cultivation

Canopy: Broad, rounded, and dense

Growth Habit: Upright, moderate to fast-growing

Leaves:

Pinnately compound

Young leaves may be reddish-bronze

Mature leaves are dark green and glossy

🌸 Flowers:
Color: Pale yellow to cream

Form: Small, star-shaped, borne in terminal panicles

Bloom Time: Spring to early summer

Pollination: Insect-pollinated

🍒 Fruit Description:
Shape: Round to slightly oval

Size: About 3–4 cm in diameter

Skin: Thin, smooth, glossy ruby-red skin (a key difference from standard brown longans)

Flesh: Translucent white, juicy and sweet with floral aroma

Seed: Small dark brown; some grafted types are near-seedless or seedless

🌱 Growing Conditions:
Requirement Details
Climate Tropical to subtropical (USDA 9–11)
Light Full sun is essential
Soil Well-drained loam or sandy soil, pH 5.5–7.0
Water Moderate to regular; do not waterlog
Fertilizer Balanced fertilizer monthly; more phosphorus and potassium during fruiting
Temperature Sensitive to frost; prefers 20–35°C

⏳ Fruit Bearing:
Time to Fruit:

Grafted or air-layered plants: 1–3 years

Seed-grown: 5–6 years

Harvest Season: Late summer to early autumn

Yield: High when mature; fruits in clusters

✅ Special Features:
Ornamental Appeal: Bright red fruits contrast beautifully against deep green foliage

Container Friendly: Can be grown in large pots (tabulampot style)

Edible Landscaping: Combines beauty and productivity

Health Benefits: Rich in vitamin C, antioxidants; used in traditional medicine for calming and rejuvenation

📌 Summary:
The Ruby Longan is a standout tropical fruit tree that offers lush foliage, stunning red fruits, and sweet, juicy flesh. It’s ideal for home gardens, collectors of rare fruits, or as an eye-catching edible landscape feature in warm climates.