North America Native Plant

Vine-like Moonlight Cactus

Botanical name: Selenicereus spinulosus

USDA symbol: SESP8

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Synonyms: Cereus spinulosus DC. (CESP2)   

Vine-Like Moonlight Cactus: A Mysterious Native Texas Treasure If you’re looking for a truly unique addition to your native Texas garden, the vine-like moonlight cactus might just be your next obsession. This intriguing native cactus, scientifically known as Selenicereus spinulosus, is one of those plants that keeps you guessing – ...

Vine-Like Moonlight Cactus: A Mysterious Native Texas Treasure

If you’re looking for a truly unique addition to your native Texas garden, the vine-like moonlight cactus might just be your next obsession. This intriguing native cactus, scientifically known as Selenicereus spinulosus, is one of those plants that keeps you guessing – and that’s exactly what makes it so special.

What Makes This Cactus Special?

The vine-like moonlight cactus is a perennial native exclusively to Texas, making it a genuine Lone Star State treasure. As its common name suggests, this isn’t your typical barrel or prickly pear cactus. True to its vine-like nature, it likely exhibits the climbing or trailing growth habit characteristic of other Selenicereus species, though specific details about this particular species are surprisingly scarce in botanical literature.

This mysterious nature actually adds to its appeal for dedicated native plant enthusiasts who love growing something truly uncommon.

Where Does It Call Home?

This cactus is found naturally only in Texas, where it has adapted to the state’s unique climate conditions. Its limited geographic distribution makes it a special find for Texas gardeners wanting to showcase truly local flora.

Garden Design and Landscape Role

The vine-like moonlight cactus would make an excellent choice for:

  • Xerophytic and desert-themed landscapes
  • Rock gardens with good drainage
  • Native Texas plant collections
  • Specialty cactus and succulent gardens
  • Areas where you want to showcase rare native species

Given its likely climbing or trailing habit, it might also work beautifully cascading over rocks or trained up a trellis, adding vertical interest to your landscape design.

Growing Conditions and Care

While specific growing information for this species is limited, we can draw from general Selenicereus care requirements and its Texas native habitat:

Sunlight: Likely prefers full sun to partial shade, typical of most cacti

Soil: Well-draining soil is absolutely essential – think sandy, rocky, or amended clay with excellent drainage

Water: Drought-tolerant once established, requiring minimal supplemental watering

Hardiness: Based on its Texas native range, it’s likely hardy in USDA zones 9-11

The Challenge (And the Reward)

Here’s the honest truth: finding reliable information about Selenicereus spinulosus is quite challenging, which suggests this might be a rare or poorly documented species. This presents both an obstacle and an opportunity for adventurous gardeners.

If you’re determined to grow this native beauty, your best bet is to:

  • Contact native plant societies in Texas
  • Reach out to botanical gardens specializing in Texas flora
  • Connect with cactus and succulent specialty nurseries
  • Ensure any plants you acquire are ethically and legally sourced

Wildlife and Pollinator Benefits

Like other Selenicereus species, the vine-like moonlight cactus likely produces stunning nocturnal white flowers that attract night-flying pollinators such as moths and potentially bats. These nighttime bloomers add a magical quality to evening gardens and support important nocturnal wildlife.

Should You Plant It?

If you can source it responsibly and you’re passionate about native Texas plants, absolutely! This cactus offers several compelling reasons to include it in your landscape:

  • True Texas native status
  • Unique growth habit among cacti
  • Likely low maintenance once established
  • Supports native ecosystems
  • Conversation starter due to its rarity

Just remember that with rare or poorly documented plants, you’ll be somewhat of a pioneer in learning its specific needs. Start with excellent drainage, minimal water, and patience – the hallmarks of successful cactus cultivation.

The vine-like moonlight cactus proves that sometimes the most rewarding plants are the ones that make us work a little harder to understand them. For the dedicated native plant gardener, that’s not a bug – it’s a feature!

Vine-like Moonlight Cactus

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Cactaceae Juss. - Cactus family

Genus

Selenicereus (A. Berger) Britton & Rose - moonlight cactus

Species

Selenicereus spinulosus (DC.) Britton & Rose - vine-like moonlight cactus

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA