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Ultra Lowland Nepenthes (ULL) are those tropical pitcher plant species found at elevations between 0 - 500 meters above sea level. The micro-environments for ultra lowland tropical pitcher plants is general clearings in mossy peat swamps, lowland heath forests, dipterocarp forest, eroded limestone ledges, and cliffs next to bodies of water. When plants are found growing on cliffs and in exposed clearings, they may receive strong or direct sunlight, while other species may be found entirely shadded by trees and large vegetation.

Temperature Requirement

Ultra Lowland Nepenthes represent tropical pitcher plants that receive the warmest temperatures in the genus. We recommend growing between 85-95° F / 29-35° C during the day time and 70-75° F / 21-24° C. A temperature drop is not required for this category, but night temperatures should not fall below 70° F / 21° C without risking damage or slowing of the plants growth.

85-95° F
29-35° C

70-75° F
21-24° C


Nepenthes Cultivation Based on Altitude

When growing Nepenthes as with other tropical plants, the altiude a plant is found in the wild is important; as it provides horticularlist and hobbyist growers a clue of the ideal day and night temperature requirements for successful cultivation. Most Nepenthes benefit from a drop in temperature during the night, while a majority of highland and ultra highland Nepenthes absolutley require a temperature drop to be grown long-term, at optimal speed and health.

Nepenthes cultivation had its first wave of popularity in the western world during the mid 19th century. During this time tropical pitcher plants were all grown in similar warm conditions, often in wardian cases and hot houses. It was not until 200 years later that growers in the 1970s began categorizing Nepenthes into lowland or warm growing and highland or cool growing categories. The general classification was that lowland nepenthes occur in habitats of 0-1000 meters altitude and highland occur above 1000 meters.

In the last four decades, a resurgence in popularity for carnivorous plants has lead to a better understanding of the culture requirements for Nepenthes. The introduction of an intermediate category was added to represent a range of Nepenthes that span inbetween lowland and highland. Most recenlty the addition of Ultra Highland and Ultra Lowland was added to represent those species at the exteme high and low of each range that have the most strict requirements.



Nepenthes abalata

Altitude: 0-20 MASL

Distribution: Philippines

Classification: Ultra-Lowland


Nepenthes abalata

Altitude: 0-20 MASL

Distribution: Philippines

Classification: Ultra-Lowland


Nepenthes x alisaputrana (rajah x burbidgeae)

Introducing Nepenthes x alisaputrana

Available Now for Pre-Order

Found in remote sections of the Kinabalu National Park, Nepenthes x alisaputrana is a naturally occurring hybrid between giant Bornean pitcher plants Nepenthes rajah and Nepenthes burbidgeae. Nepenthes x alisaputrana is the most impressive hybrid in the genus to date and honors Datuk Lamri Ali, a former Director of Sabah Parks. The hybrid has been extremely rare in cultivation and seemingly only available for several thousands of dollars in the underground Japanese carnivorous plant network.

A seed grown Nepenthes rajah from our private collection

A seed grown Nepenthes burbidgeae from our private collection

We are pleased to be the first nursery in the United States to offer this long awaited hybrid for sale directly from the man that made it famous. Rob Cantley (owner of Borneo Exotics) has produced this hybrid in his nursery after decades of effort. We will be offering 15 seed grown plants for a late spring 2018 delivery.

Nepenthes rajah x burbidgeae
(N. x alisaputrana)

Price: $170

Seed grown plants from Borneo Exotics. Expected delivery to your home late-Spring 2018. Plants will be small, similar to the N. x alisaputrana shown here.


What Rob Cantley is Saying About the Hybrid

This fabulous natural hybrid was discovered in habitat near Pig Hill, just outside the Kinabalu National Park by Rob Cantley around 1985 and it’s been one of his life’s ambitions ever since to recreate it from legally obtained mother stock.

To this day, it remains the largest and possibly the most spectacular hybrid Nepenthes that Rob – or perhaps anyone – has ever seen. Only one plant was found and the pitchers were just HUGE! The largest of the pitchers found that memorable day was shipped to the Chelsea Flower Show in London, where it monopolised press attention and was certainly instrumental in helping Adrian Slack to win a Gold medal and a special annual award that year. You can read more about it in the Dec 2000 edition of the ICPS Newsletter at This amazing plant was left intact, but sadly, subsequently it was reportedly bulldozed away as part of the development of an asparagus farm for a wealthy politician. We have worked tirelessly for several decades to recreate this hybrid and have finally succeeded in doing so, using as the female parent a Nepenthes rajah donated in-vitro from the Royal Botanic Gardens Kew. The pollen donor is one of our Nepenthes burbidgeae, raised from legally collected seeds.

The plants offered from Borneo Exotics are NURSERY SEED-GROWN, so each are individual clones. Upon maturity, they can be expected to be of variable form and size, although all will be colourful. Even amongst the very juvenile individuals we have, variation is already becoming evident, as the photos on the pricelist show. The fun of this is that some of the plants may be as good as or even better than the original plant whose photos are shown in habitat. Finally, there is more good news in that we have found this hybrid to be surprisingly vigorous and easy, especially for a hybrid involving Nepenthes rajah. It seems to require no special conditions and we grow it well in our usual coir fibre potting media. Sphagnum or other recognised Nepenthes media should work even better. This is a LIMITED RELEASE from seeds and will be sold on a first-come first-served basis. It will be some time, probably at least 1-2 years before any further stocks become available from the lab.

— Rob Cantley (Borneo Exotics)

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