Ficus elastica 'Robusta', commonly known as the Rubber Plant, is a popular indoor plant cherished for its large, glossy leaves and low-maintenance care requirements. Native to Southeast Asia, this variety of the Rubber Plant is noted for its broad, deep green foliage and upright growth habit, making it an elegant choice for homes and offices.

Key Characteristics of Ficus elastica 'Robusta'

1. Appearance:

   • Features broad, oval-shaped leaves with a glossy, leathery texture.
   • The leaves are a rich, deep green with a slightly lighter underside.
   • New growth emerges with a reddish-brown sheath that drops off as the leaves mature.

2. Size:

   • Grows between 2 to 10 feet (0.6–3 meters) indoors, depending on the pot size and care.
   • Can grow taller when planted outdoors in suitable climates, reaching heights of up to 50 feet.

3. Growth Habit:

   • Upright growth with a single trunk or multiple stems.
   • The plant forms a bushy appearance when pruned properly.

Growing Conditions

1. Light:

   • Thrives in bright, indirect light but can tolerate medium light.
   • Avoid prolonged direct sunlight, which can scorch the leaves.
   • Can adapt to low light but may grow slower and produce smaller leaves.

2. Soil:

   • Prefers well-draining potting soil enriched with organic matter.
   • A mix designed for indoor plants or a combination of garden soil, peat, and perlite works well.

3. Watering:

   • Keep the soil slightly moist but not waterlogged.
   • Water thoroughly and allow the top inch of soil to dry out between waterings.
   • Reduce watering during winter when the plant's growth slows.

4. Temperature:

   • Prefers temperatures between 65°F and 80°F (18°C to 27°C).
   • Avoid exposing it to temperatures below 50°F (10°C) or sudden temperature fluctuations.

5. Humidity:

   • Thrives in moderate to high humidity.
   • Regular misting or using a humidity tray can benefit the plant in dry indoor environments.

Care and Maintenance

1. Fertilizing:

   • Feed with a balanced liquid fertilizer every 4-6 weeks during the growing season (spring and summer).
   • Do not fertilize during the dormant winter months.

2. Pruning:

   • Prune to maintain the desired shape and remove any yellowing or damaged leaves.
   • Use clean, sharp scissors or pruning shears to avoid tearing the leaves.