North America Native Plant

Berlandier’s Sundrops

Botanical name: Calylophus berlandieri berlandieri

USDA symbol: CABEB2

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Calylophus drummondianus Spach ssp. berlandieri (Spach) Towner & P.H. Raven (CADRB)  âš˜  Oenothera serrulata Nutt. ssp. drummondii (Torr. & A. Gray) Munz (OESED)   

Berlandier’s Sundrops: A Bright Native Gem for Your Garden If you’re looking for a cheerful, low-maintenance native plant that’ll keep your garden glowing from spring through fall, meet Berlandier’s sundrops (Calylophus berlandieri berlandieri). This delightful little perennial might not be the showiest plant in the nursery, but don’t let its ...

Berlandier’s Sundrops: A Bright Native Gem for Your Garden

If you’re looking for a cheerful, low-maintenance native plant that’ll keep your garden glowing from spring through fall, meet Berlandier’s sundrops (Calylophus berlandieri berlandieri). This delightful little perennial might not be the showiest plant in the nursery, but don’t let its humble appearance fool you – it’s a workhorse that deserves a spot in more American gardens.

What Makes Berlandier’s Sundrops Special?

Berlandier’s sundrops is a true native American, calling the south-central United States home. You’ll find this sunny character naturally growing across Colorado, Kansas, Louisiana, New Mexico, Oklahoma, and Texas. As a perennial forb (that’s garden-speak for a non-woody flowering plant), it comes back year after year to brighten your landscape.

What really sets this plant apart are its cheerful, bright yellow flowers. Each bloom features four delicate petals that seem to glow in the sunlight, creating a carpet of sunshine wherever they grow. The flowers appear consistently from spring through fall, giving you months of reliable color when many other plants are taking a break.

Why Your Garden (and Local Wildlife) Will Love It

Here’s where Berlandier’s sundrops really shines – it’s like a 24-hour diner for pollinators. Bees, butterflies, and other beneficial insects flock to those bright yellow blooms, making it an excellent choice if you’re trying to create a pollinator-friendly garden. Plus, since it’s native to such a wide swath of the country, it’s naturally adapted to work with local ecosystems.

The plant has a low, spreading growth habit that makes it perfect for several garden roles:

  • Ground cover in sunny areas
  • Rock garden specimen
  • Wildflower or prairie garden component
  • Border plant along walkways

Perfect Gardens for Berlandier’s Sundrops

This adaptable native thrives in drought-tolerant gardens, making it a smart choice for water-wise landscaping. It’s also right at home in native plant gardens, rock gardens, and prairie restoration projects. If you’re dealing with poor soil that other plants turn their noses up at, Berlandier’s sundrops will happily settle in and make the best of it.

Growing Conditions and Care

Here’s the best news – Berlandier’s sundrops is refreshingly easy to please. This plant thrives in USDA hardiness zones 5 through 9, making it suitable for most of the continental United States.

What it needs:

  • Full sun (at least 6 hours of direct sunlight daily)
  • Well-draining soil – it’s not picky about soil quality
  • Minimal water once established
  • Good air circulation

What it doesn’t need:

  • Rich, fertile soil (it actually prefers average to poor soils)
  • Regular watering after the first growing season
  • Fertilizer
  • Fussing!

Planting and Long-term Care

Getting Berlandier’s sundrops established is straightforward. Plant in spring after the last frost, giving each plant enough space to spread – they like room to breathe. Water regularly during the first growing season to help establish roots, but after that, you can mostly let nature take over.

The plant may self-seed in favorable conditions, giving you bonus plants in unexpected places. Some gardeners love this natural spreading habit, while others prefer to deadhead spent flowers to prevent self-seeding – your choice!

One of the most appealing aspects of this native is its low-maintenance nature. Once established, it’s quite drought tolerant and rarely needs supplemental watering except during extreme dry spells.

Should You Grow Berlandier’s Sundrops?

If you’re looking for a reliable, native perennial that supports local wildlife while adding consistent color to your garden, Berlandier’s sundrops is definitely worth considering. It’s particularly perfect for gardeners who want beautiful results without high-maintenance demands.

This plant works especially well if you’re trying to create a more sustainable, water-wise landscape or if you want to support native pollinators. Just remember that as a native of the south-central states, it performs best within or near its natural range.

While it might not be the flashiest plant at the garden center, Berlandier’s sundrops offers something increasingly valuable in our busy world – reliable beauty with minimal effort. Sometimes the best garden companions are the ones that quietly do their job, year after year, without demanding constant attention.

Berlandier’s Sundrops

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Myrtales

Family

Onagraceae Juss. - Evening Primrose family

Genus

Calylophus Spach - sundrops

Species

Calylophus berlandieri Spach - Berlandier's sundrops

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