Cycas pectinata was the fourth species of Cycas to be named; it was described in 1826 by Scottish surgeon and botanist Francis Buchanan-Hamilton from Kamrup, Assam in northeast India. The species is one of the most widespread cycads. It is found in the northeastern part of India (Assam, Manipur, Meghalaya, Sikkim, Darjeeling), Nepal, Bhutan, northern Burma, southern China (Yunnan), Bangladesh, Burma, Malaysia, Cambodia, northern Thailand, Laos, and Vietnam. Cycas pectinata usually grow at elevation 300 m to 1200 m and in difficult terrains. In China, it grows in dry, open thickets in limestone mountains, red soil in sparse monsoon forests. Cycas pectinata grows up to 40 feet (12 m) tall and has very large, ovoid male cones. The tallest Cycas pectinata is a female plant in North Kamrup, Assam which measures 52.8 feet (16.1 m). The tree is the world's tallest Cycas plant. In Northeast India, the species is under severe threat due to clearing of forest and overcollection of male cones for preparation of traditional medicines. The species is listed in CITES Appendix II and IUCN Redlist.
Cycas pectinata exhibits strong disease resistance and is generally not susceptible to illnesses. Regarding care, this plant is fairly low-maintenance. When planted outdoors it needs little watering, and larger specimens typically do not require pruning. However, smaller plants should be pruned once they have bloomed. Cycas pectinatat is well suited for anyone with outdoor space, such as a garden or deck, and does not demand extensive care experience.
How to keep Cycas Pectinata.
Light
Cycas pectinata is found in habitats like forest understories or rocky areas, where it occurs under natural shade. It prefers partial sun but can acclimate to full sun or full shade, demonstrating its versatile and hardy nature.
Water
Cycas pectinata thrives in subtropical climates that have distinct wet and dry seasons. This plant is drought-tolerant and needs moderate moisture levels. It should be watered weekly. Because it is evergreen, it requires consistent moisture to maintain its lush foliage throughout the year, especially when grown outdoors.
Temperature
Cycas pectinata comes from tropical areas, where the climate is usually warm and humid. Consequently, it is adapted to high heat and moisture. It dislikes abrupt temperature shifts and prefers a consistent temperature, so avoiding indoor temperature fluctuations is important. It typically cannot tolerate cold and needs warmer conditions for growth. If the ambient temperature becomes too low, the plant may stop growing or even die.
Fertilizer
Cycas pectinata has specific nutrient needs and does not require heavy fertilization. Fertilizing in spring is best for promoting optimal growth. Supplying nutrients enhances its health, increases its resistance to pests and diseases, and helps support its long lifespan.
Pruning
Cycas pectinata showcases feather-like foliage and a sturdy trunk, but it requires regular care to thrive. To maintain its health, prune the plant in early spring. This helps improve air circulation and removes any damaged fronds, especially those that are yellowing at the base. Such care promotes new growth and helps prevent pests, ensuring that your Cycas pectinata remains both healthy and attractive.
Botanical profile.
- Plant Type
- Palm
- Life Cycle
- Perennial
- Genus
- Cycas
- Family
- Cycadaceae
- Hardiness Zone
- 9-11
- Mature Height
- 2.13 m to 3.96 m
- Mature Spread
- 2.13 m to 3.05 m
- Leaf Color
- Dark Green, Forest Green
- Leaf Type
- Semi-evergreen
- Bloom Time
- Late spring, Early summer, Mid summer
- Planting Time
- Spring, Summer, Autumn
- Harvest Time
- Late summer, Early fall, Mid fall
- Native Area
- Nepal, India, Cambodia, Vietnam, Myanmar, Bhutan, Bangladesh, Thailand, China
Other names.
Reader questions.
What are the sun requirements for Cycas pectinata?
Cycas pectinata requires specific conditions when it comes to sunlight exposure to thrive. For those plants needing 'Full sun,' they should receive more than 6 hours of sunlight daily. On the other hand, if the plant's needs are listed as 'Partial sun,' it entails that the plant will do well with about 3-6 hours of sunlight each day. It's important to observe the way sunlight navigates through your garden throughout the day. This observation will help you pinpoint the ideal locations that offer a harmonious mix of light and shade, facilitating a conducive environment for your Cycas pectinata.
