North America Native Plant

Krug’s Darlingplum

Botanical name: Reynosia krugii

USDA symbol: REKR

Life cycle: perennial

Habit: shrub

Native status: Native to Puerto Rico  

Krug’s Darlingplum: A Hidden Gem for Puerto Rican Gardens Meet Krug’s darlingplum (Reynosia krugii), a charming native shrub that deserves a spot in every Puerto Rican garden! While it might not be as famous as some of its tropical neighbors, this unassuming beauty packs a punch when it comes to ...

Krug’s Darlingplum: A Hidden Gem for Puerto Rican Gardens

Meet Krug’s darlingplum (Reynosia krugii), a charming native shrub that deserves a spot in every Puerto Rican garden! While it might not be as famous as some of its tropical neighbors, this unassuming beauty packs a punch when it comes to supporting local wildlife and adding authentic island character to your landscape.

What Makes Krug’s Darlingplum Special?

This delightful perennial shrub is a true Puerto Rican native, meaning it evolved right here on our beautiful island. Krug’s darlingplum typically grows as a multi-stemmed woody plant, usually staying under 13-16 feet tall, making it perfect for residential gardens where you want impact without overwhelming your space.

Where Does It Naturally Grow?

Reynosia krugii is endemic to Puerto Rico, particularly thriving in our coastal areas and dry forests. You’ll find it naturally occurring throughout the island, where it has adapted perfectly to our tropical climate and seasonal patterns.

Garden Appeal and Design Uses

Don’t let the name fool you – there’s nothing ordinary about this darlingplum! The shrub produces clusters of small, white flowers that create a subtle but lovely display. These blooms eventually give way to dark purple to black berries that add visual interest and provide food for local birds and wildlife.

In your garden, Krug’s darlingplum works wonderfully as:

  • A naturalistic shrub border
  • Part of a native plant garden
  • Wildlife habitat enhancement
  • Coastal landscaping where salt tolerance is needed
  • Drought-resistant xerophytic gardens

Perfect Growing Conditions

Since this plant is adapted to Puerto Rico’s climate, it’s surprisingly easy to grow! Krug’s darlingplum thrives in USDA hardiness zones 10-11, which perfectly matches our tropical environment.

For best results, provide:

  • Well-draining soil (it doesn’t like wet feet!)
  • Full sun to partial shade
  • Space for it to reach its natural size
  • Protection from strong winds when young

Planting and Care Tips

The best part about growing native plants? They’re naturally suited to our conditions! Once established, Krug’s darlingplum is quite drought tolerant, making it perfect for our drier seasons.

Here’s how to ensure success:

  • Plant during the rainy season when possible
  • Water regularly for the first year while roots establish
  • Mulch around the base to retain moisture and suppress weeds
  • Prune lightly as needed to maintain shape
  • Avoid over-fertilizing – native plants prefer lean conditions

Supporting Local Wildlife

One of the most compelling reasons to plant Krug’s darlingplum is its value to local ecosystems. The flowers attract native pollinators including bees and butterflies, while the berries provide food for birds. By choosing native plants like this one, you’re creating habitat that supports Puerto Rico’s unique biodiversity.

Is Krug’s Darlingplum Right for Your Garden?

If you’re looking to create a landscape that’s both beautiful and ecologically responsible, Krug’s darlingplum is an excellent choice. It’s particularly perfect for gardeners who want to:

  • Support native wildlife
  • Reduce water usage
  • Create authentic Puerto Rican landscapes
  • Enjoy low-maintenance gardening

While it may not be the showiest plant in the nursery, Krug’s darlingplum offers something more valuable – a genuine connection to Puerto Rico’s natural heritage and a sustainable approach to gardening that works with, rather than against, our local environment.

Krug’s Darlingplum

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

Rhamnales

Family

Rhamnaceae Juss. - Buckthorn family

Genus

Reynosia Griseb. - darlingplum

Species

Reynosia krugii Urb. - Krug's darlingplum

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