North America Native Plant

Kisses

Botanical name: Oenothera suffulta suffulta

USDA symbol: OESUS

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Gaura suffulta Engelm. ex A. Gray ssp. suffulta (GASUS)   

Kisses (Oenothera suffulta suffulta): A Rare Native Wildflower Worth Knowing Meet kisses – a charmingly named native wildflower that’s as elusive as it sounds romantic. This annual forb, scientifically known as Oenothera suffulta suffulta, belongs to the evening primrose family and represents a unique piece of our native plant heritage ...

Kisses (Oenothera suffulta suffulta): A Rare Native Wildflower Worth Knowing

Meet kisses – a charmingly named native wildflower that’s as elusive as it sounds romantic. This annual forb, scientifically known as Oenothera suffulta suffulta, belongs to the evening primrose family and represents a unique piece of our native plant heritage in the south-central United States.

Where Does Kisses Call Home?

Kisses is a true native of the American landscape, specifically calling Oklahoma and Texas home. This wildflower has adapted to the unique climate and growing conditions of the south-central plains, making it a genuine representative of regional flora. As a subspecies of the broader Oenothera suffulta group, it has carved out its own special niche in this geographic area.

What Makes Kisses Special?

As an annual forb, kisses completes its entire life cycle in one growing season. This herbaceous plant lacks the woody stems of shrubs and trees, instead producing soft, green growth that emerges, flowers, sets seed, and dies back all within a single year. Like other members of the evening primrose family, it likely produces delicate flowers that add subtle beauty to natural landscapes.

Kisses was formerly classified under a different scientific name – Gaura suffulta – which some botanists may still reference in older literature.

Should You Grow Kisses in Your Garden?

Here’s where we need to pump the brakes a bit. While kisses is undeniably a native plant with potential garden value, there’s very limited information available about this specific subspecies. This could indicate that it’s either:

  • Extremely rare in cultivation
  • Difficult to distinguish from related subspecies
  • Specialized in its growing requirements
  • Not commonly available through typical nursery channels

If you’re interested in adding kisses to your native plant garden, proceed with caution and responsibility. Only source plants or seeds from reputable native plant nurseries that can verify the exact subspecies and ensure ethical collection practices.

Growing Conditions and Care

Since specific growing information for this subspecies is limited, we can make educated assumptions based on its native range and family characteristics:

  • Climate: Adapted to the warm, often dry conditions of Oklahoma and Texas
  • Hardiness: Likely suited to USDA zones typical of its native range (approximately zones 6-9)
  • Soil: Probably tolerates a range of soil types common in the south-central plains
  • Sunlight: Most evening primroses prefer full sun to partial shade
  • Water: As a native of this region, likely drought-tolerant once established

The Bottom Line

Kisses represents the fascinating diversity of our native plant communities, even if it remains somewhat mysterious in cultivation. If you’re passionate about growing truly local native plants and live within its native range, this could be a special addition to a naturalized garden or native plant collection.

However, given the limited cultivation information available, consider starting with better-documented native alternatives from the evening primrose family. Pink evening primrose (Oenothera speciosa) or common evening primrose (Oenothera biennis) might give you similar family characteristics with more reliable growing guidance.

Remember, the best native plant choices are often those that are well-documented, readily available from ethical sources, and proven successful in cultivation. Sometimes the most responsible approach is to appreciate rare native plants in their natural habitats while supporting conservation efforts that protect their wild populations.

Kisses

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

Oenothera L. - evening primrose

Species

Oenothera suffulta (Engelm. ex A. Gray) W.L. Wagner & Hoch - kisses

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