North America Non-native Plant

Senegalia Visco

Botanical name: Senegalia visco

USDA symbol: SEVI11

Native status: Not native but doesn't reproduce and persist in the wild

Synonyms: Acacia visco Lorentz ex Griseb. (ACVI10)   

Senegalia visco: A South American Beauty for Warm Climate Gardens If you’ve stumbled across the name Senegalia visco in your plant research, you might be wondering what exactly this tree is all about. Don’t worry if you haven’t heard of it before – this South American native isn’t exactly a ...

Senegalia visco: A South American Beauty for Warm Climate Gardens

If you’ve stumbled across the name Senegalia visco in your plant research, you might be wondering what exactly this tree is all about. Don’t worry if you haven’t heard of it before – this South American native isn’t exactly a household name in North American gardening circles, but it’s got some interesting qualities worth exploring.

What Is Senegalia visco?

Senegalia visco is a small to medium-sized tree that belongs to the legume family. You might also see it listed under its former scientific name, Acacia visco, which gives you a hint about its acacia-like characteristics. This tree is native to South America, specifically found in Argentina, Bolivia, and Paraguay, where it grows naturally in dry, semi-arid regions.

Unfortunately, this species doesn’t have a widely recognized common name in English, so most gardeners and botanists simply refer to it by its scientific name.

Why Consider Senegalia visco for Your Garden?

Here’s what makes this tree potentially interesting for warm-climate gardeners:

  • Drought tolerance: Once established, it can handle dry conditions quite well
  • Attractive flowers: Produces fragrant, bright yellow ball-shaped flower clusters
  • Feathery foliage: The delicate, bipinnate leaves create a soft, textured appearance
  • Pollinator friendly: The flowers attract bees and other beneficial insects
  • Moderate size: Won’t overwhelm smaller landscapes

Growing Conditions and Care

If you’re thinking about adding Senegalia visco to your garden, here’s what you need to know about keeping it happy:

Climate Requirements: This tree is only suitable for USDA hardiness zones 9-11, so it’s really only an option for gardeners in the warmest parts of the United States, like South Florida, Southern California, or Hawaii.

Sunlight: Give it full sun for best flowering and overall health.

Soil: Well-draining soil is essential. It can tolerate poor soils but won’t appreciate being waterlogged.

Watering: Water regularly during the first year to help establish the root system, then reduce watering as the tree becomes drought-tolerant.

Planting and Maintenance Tips

Plant your Senegalia visco in spring when the danger of frost has passed. Dig a hole twice as wide as the root ball but no deeper. Water deeply but infrequently once established, and don’t worry too much about fertilizing – as a legume, it can actually fix its own nitrogen from the air.

Pruning is generally minimal, mainly just removing any dead or crossing branches to maintain good structure.

A Word About Native Alternatives

While Senegalia visco isn’t considered invasive, it’s worth remembering that native plants are always the best choice for supporting local ecosystems. If you’re looking for similar characteristics in a native plant, consider these alternatives depending on your region:

  • Desert regions: Parkinsonia florida (Blue Palo Verde)
  • Southeastern states: Cercis canadensis (Eastern Redbud)
  • California: Parkinsonia aculeata (Mexican Palo Verde) – though technically native to the Southwest

The Bottom Line

Senegalia visco is an interesting option for warm-climate gardeners who want something a bit different. Its drought tolerance and attractive flowers make it a reasonable choice for water-wise landscapes. However, since it’s not native to North America, you might want to prioritize native species that will better support your local wildlife and ecosystem. If you do choose to plant it, make sure you’re in the right climate zone and can provide the well-draining conditions it needs to thrive.

Remember, successful gardening is all about matching the right plant to the right place – and sometimes that means looking beyond the exotic to find the perfect native alternative that’s been waiting in your own backyard all along.

Senegalia Visco

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

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Senegalia Raf. - acacia

Species

Senegalia visco (Lorentz ex Griseb.) Seigler & Ebinger

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