North America Non-native Plant

Clasping Heliotrope

Botanical name: Heliotropium amplexicaule

USDA symbol: HEAM4

Life cycle: perennial

Habit: forb

Native status: Non-native, reproduces and persists in the wild in Hawaii âš˜ Non-native, reproduces and persists in the wild in the lower 48 states âš˜ Non-native, reproduces and persists in the wild in Puerto Rico  

Synonyms: Cochranea anchusifolia (Poir.) Guerke (COAN13)  âš˜  Heliotropium anchusifolium Poir. (HEAN7)   

Clasping Heliotrope: A Delicate Bloomer for Warm Climate Gardens Meet clasping heliotrope (Heliotropium amplexicaule), a charming perennial that’s quietly made itself at home across much of the southern United States. While this petite flowering plant might not be the showiest specimen in your garden, it brings its own subtle appeal ...

Clasping Heliotrope: A Delicate Bloomer for Warm Climate Gardens

Meet clasping heliotrope (Heliotropium amplexicaule), a charming perennial that’s quietly made itself at home across much of the southern United States. While this petite flowering plant might not be the showiest specimen in your garden, it brings its own subtle appeal with delicate clusters of small, fragrant blooms and a surprisingly resilient nature.

What Exactly Is Clasping Heliotrope?

Clasping heliotrope is a perennial forb – basically a non-woody flowering plant that comes back year after year. True to its name, this plant has leaves that seem to clasp or wrap around the stem, giving it a distinctive appearance. Don’t let its delicate looks fool you; this little survivor is tougher than it appears and can thrive in conditions that might challenge more finicky plants.

You might also encounter this plant listed under its scientific synonyms, including Heliotropium anchusifolium or Cochranea anchusifolia, particularly in older gardening references.

Where You’ll Find It Growing

Originally hailing from tropical and subtropical regions of the Americas, clasping heliotrope has naturalized across a impressive range of U.S. states. You’ll find established populations from the Atlantic coast to the Pacific, including Alabama, California, Florida, Georgia, Hawaii, Louisiana, Massachusetts, Mississippi, New Jersey, North Carolina, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, and even Puerto Rico and Washington D.C.

This wide distribution tells us something important about clasping heliotrope: it’s remarkably adaptable and can handle diverse growing conditions.

Should You Plant Clasping Heliotrope?

Here’s where things get interesting. Clasping heliotrope sits in that middle ground of garden plants – it’s non-native but not considered problematic or invasive. Whether you choose to include it in your garden really comes down to your gardening philosophy and what you’re trying to achieve.

The Case for Growing It:

  • Low maintenance once established
  • Attracts butterflies and small beneficial insects
  • Drought tolerant – perfect for water-wise gardening
  • Provides delicate texture in border plantings
  • Fragrant flowers add sensory interest

Things to Consider:

  • As a non-native species, it won’t provide the same ecological benefits as indigenous plants
  • May self-seed readily in ideal conditions
  • Limited cold tolerance restricts its use to warmer zones

Growing Clasping Heliotrope Successfully

If you decide to give clasping heliotrope a try, you’ll find it refreshingly easy to please. This plant thrives in USDA hardiness zones 9-11, though gardeners in slightly cooler areas might have success treating it as an annual.

Ideal Growing Conditions:

  • Light: Full sun to partial shade (morning sun with afternoon shade works well in hot climates)
  • Soil: Well-draining soil is key – this plant doesn’t appreciate soggy feet
  • Water: Moderate water needs; drought tolerant once established
  • Space: Allow room for the plant to spread as a ground cover

Planting and Care Tips:

  • Plant after the last frost date in your area
  • Space plants 12-18 inches apart for good air circulation
  • Water regularly during establishment, then reduce frequency
  • Deadhead spent flowers to encourage continued blooming
  • In marginal hardiness zones, consider container growing for easy winter protection

Garden Design Ideas

Clasping heliotrope works beautifully as a border plant or ground cover in informal garden settings. Its low-growing habit and delicate flowers make it perfect for:

  • Coastal gardens where salt tolerance is important
  • Rock gardens and xeriscapes
  • Pollinator gardens (though native alternatives might be more beneficial)
  • Container gardens in cooler climates

Consider Native Alternatives

While clasping heliotrope can be a lovely addition to the right garden, consider exploring native alternatives that provide similar aesthetic appeal while supporting local ecosystems. Depending on your region, native wildflowers, groundcovers, or low-growing perennials might offer comparable beauty with greater ecological value.

Your local native plant society or extension office can suggest indigenous species that thrive in your specific growing conditions and provide food and habitat for local wildlife.

The Bottom Line

Clasping heliotrope is one of those middle-of-the-road garden plants that won’t win any drama queen awards but might just surprise you with its quiet charm and reliability. If you’re looking for a low-maintenance perennial for a warm-climate garden and don’t mind working with a non-native species, it could be worth a try. Just remember to keep an eye on it to ensure it doesn’t spread beyond where you want it, and consider balancing your plant palette with native species that support your local ecosystem.

Clasping Heliotrope

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Lamiales

Family

Boraginaceae Juss. - Borage family

Genus

Heliotropium L. - heliotrope

Species

Heliotropium amplexicaule Vahl - clasping heliotrope

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