Lagerstroemia Diamond (Red)
Lagerstroemia indica 'Diamond Red'

Lagerstroemia Diamond (Red)

Lagerstroemia 'Diamond Red' is a compact flowering shrub with vivid red blooms, ideal for sunny gardens and pots, enhancing landscapes with color while improving air quality.


Picture illustrating Lagerstroemia Diamond (Red) plant

Habit

Deciduous Shrub/Small Tree

Height

3–6 ft (dwarf hybrid)

Growth

Moderate 

Soil

 Well-drained loamy soil

Shade

Full Sun

Moisture

Moderate 

Edible


No

Medicinal

No significant medicinal value (ornamental)

Origin

Horticultural hybrid (cultivated from L. indica)

Climatic Condition

Tropical to Subtropical

Temperature (°)

20–38°C

Humidity (%)

40–70%

Potting media

Garden soil + Compost + Sand

Fertilizers

Balanced NPK (15:15:15) or bloom booster during flowering

Watering

Regular watering, allow topsoil to dry between sessions

Plant Weight 

2–4 kg (container-grown plant)

Flowering Time


Late Spring to Autumn

Soil Ph level

6.0–7.5

Water Ph level

6.0–7.0

Soil EC

1.0–1.8 dS/m

Yield Per Plant 

N/A (grown for ornamental flowers)

NPK ratio 

 15:15:15

life Span


15–20 years

Health Benefits

Improves landscape aesthetics and air quality

Suggested Grow Media or Potting Mix ?

40% red soil, 30% compost, 20% cocopeat, 10% sand


Suggested Fertigation/Fertilizers

Fertilize every 4–6 weeks with a balanced or high-phosphorus fertilizer during bloom season

Common Diseases and Remedies

 Powdery Mildew, Leaf Spot, Root Rot, Aphids, Scale Insects.

White powdery coating on leaves, Dark brown to black spots with yellow halos on leaves, Wilting with soft, mushy roots, Tiny insects with sticky residue on leaves, Small, waxy insects with sticky residue.

 Neem oil, sulfur sprays, Remove and destroy affected leaves, improve air circulation, Improve soil drainage, avoid overwatering, Insecticidal soap, neem oil, Insecticidal soap, neem oil.

In-Organic Remedies

Fungicides with myclobutanil, Fungicides with chlorothalonil, Fungicides with mefenoxam, Insecticides with malathion, Insecticides with imidacloprid.

Lagerstroemia speciosa
Lagerstroemia speciosa