The Plant Society
Alocasia Scalprum
Alocasia ‘Scalprum’ is a beautiful and unique variety of Alocasia, known for its dark, arrowhead-shaped leaves with distinctive ribbed textures. Like other Alocasias, it has specific care needs to thrive indoors.
Light
- Bright, Indirect Light: Alocasia ‘Scalprum’ thrives in bright, indirect light. It can tolerate lower light, but its growth will slow, and the leaves may lose some vibrancy.
- Avoid Direct Sunlight: Direct sunlight can scorch the leaves, causing brown spots and crispy edges.
Temperature
- Warm Environment: Keep your Alocasia ‘Scalprum’ in a warm room with temperatures between 65°F to 80°F (18°C to 27°C).
- Cold Sensitivity: This plant is sensitive to cold drafts, so avoid placing it near air conditioners, heaters, or windows with cold drafts. Temperatures below 60°F (15°C) can stress the plant and stunt its growth.
Humidity
- High Humidity is Essential: Alocasia ‘Scalprum’ thrives in high humidity, ideally between 50% to 70%. Higher humidity helps the plant maintain its lush foliage and ensures healthy growth.
- Increase Humidity: To boost humidity, consider using a humidifier, placing the plant on a humidity tray, or occasionally misting the leaves. Keep in mind that the plant may not thrive in dry environments, particularly during the winter months.
Watering
- Consistent Moisture: Alocasia ‘Scalprum’ prefers consistently moist soil but not waterlogged. Water when the top 1-2 inches of soil feel dry to the touch.
- Avoid Overwatering: Always ensure the pot has good drainage to avoid root rot. Never let the plant sit in standing water.
- Water Less in Winter: In the dormant period (fall and winter), reduce watering. Alocasia plants typically need less water during the colder months, as their growth slows down.
Soil
- Well-Draining, Peaty Soil: Use a well-draining potting mix, such as one formulated for tropical plants or a blend of peat, perlite, and bark. This ensures the roots stay moist but not waterlogged.
- Avoid Heavy, Clay-Like Soil: Heavy, compacted soils can lead to poor drainage and increase the risk of root rot.
Fertilizing
- Feed During Growing Season: Fertilize Alocasia ‘Scalprum’ monthly with a balanced, water-soluble fertilizer (diluted to half strength) during the growing season (spring and summer).
- Reduce Feeding in Dormancy: In fall and winter, when the plant’s growth slows, cut back or stop fertilizing altogether.
Repotting
- Repot Every 1-2 Years: Alocasia ‘Scalprum’ can outgrow its pot relatively quickly. Repot when the roots become crowded or the plant starts to look root-bound. Choose a pot that’s 1-2 inches larger in diameter than the current one.
- Check Roots for Rot: When repotting, check for any signs of root rot, especially if you notice yellowing leaves or stunted growth.
Pruning
- Minimal Pruning: Remove any yellowing or damaged leaves to keep the plant looking tidy and to encourage new growth. Always use clean, sharp scissors or pruning shears to prevent the spread of diseases.
- Trim Dead or Damaged Leaves: If a leaf has completely died or is damaged beyond repair, prune it at the base of the stem.
Pests
- Watch for Common Pests: Alocasia plants, including ‘Scalprum’, are prone to pests like spider mites, aphids, and mealybugs. Inspect the undersides of the leaves regularly for signs of pests.
- If you notice pests, treat the plant with insecticidal soap or a mixture of water and dish soap to remove the infestation.
- Keep Leaves Clean: Regularly wipe down the leaves with a damp cloth to remove dust and keep pests at bay.
General Tips
- Avoid Sudden Temperature Changes: Alocasia ‘Scalprum’ is sensitive to temperature fluctuations. Keep it away from drafts, radiators, and air conditioning units.
- Leaf Care: Wipe the leaves gently with a damp cloth to remove dust, as dirty leaves reduce the plant’s ability to photosynthesize.
- Be Patient: Alocasias are known for being a bit slower in growth compared to other houseplants, so be patient and enjoy watching your plant develop over time.
With the right care, your Alocasia ‘Scalprum’ will thrive and reward you with its stunning foliage, adding an elegant tropical touch to your indoor space!