North America Non-native Plant

Malva Pacifica

Botanical name: Malva pacifica

USDA symbol: MAPA27

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

Synonyms: Lavatera venosa S. Watson (LAVE8)   

Malva pacifica: The Mysterious Mallow That’s Hard to Pin Down If you’ve stumbled across the name Malva pacifica in your gardening research, you’re probably scratching your head right about now. Don’t worry – you’re not alone! This particular plant species is something of a botanical puzzle that even experienced gardeners ...

Malva pacifica: The Mysterious Mallow That’s Hard to Pin Down

If you’ve stumbled across the name Malva pacifica in your gardening research, you’re probably scratching your head right about now. Don’t worry – you’re not alone! This particular plant species is something of a botanical puzzle that even experienced gardeners might find perplexing.

What We Know (And Don’t Know) About Malva pacifica

Here’s the thing about Malva pacifica – it’s one of those plants that exists in the botanical record but seems to have vanished from common cultivation and even detailed scientific documentation. What we do know is that it has been linked to the synonym Lavatera venosa S. Watson, which suggests it may be related to the tree mallow family.

Unfortunately, details about its common names, native range, and specific growing requirements remain unclear in current botanical literature. This lack of information makes it challenging to provide specific growing advice or recommend it for your garden.

The Challenge of Uncertain Plant Identity

When a plant’s taxonomic status and characteristics are unclear, it creates several concerns for gardeners:

  • Unknown growth habits could lead to unexpected garden behavior
  • Unclear native status makes it difficult to assess environmental impact
  • Lack of growing information makes successful cultivation unlikely
  • Potential misidentification could result in planting something entirely different

What Should Gardeners Do?

Given the uncertainty surrounding Malva pacifica, we’d recommend taking a cautious approach. If you’re interested in mallows for your garden, consider these well-documented alternatives instead:

  • Native hibiscus species for your region
  • Established Malva species with clear growing requirements
  • Regional native plants in the mallow family

The Importance of Plant Verification

This situation with Malva pacifica highlights why it’s crucial to verify plant information before adding anything to your garden. When considering any plant, especially lesser-known species, make sure you can find:

  • Clear identification characteristics
  • Reliable growing information
  • Confirmed native status and range
  • Reputable sources for plant material

Moving Forward with Confidence

While Malva pacifica remains an enigma, don’t let this discourage your native gardening journey! Focus on well-documented native species for your region that offer clear benefits to local ecosystems and reliable growing information. Your local native plant society or extension office can help you identify fantastic alternatives that will thrive in your specific conditions.

Remember, successful native gardening is all about choosing the right plants with confidence – and sometimes that means passing on the mysterious ones until more information becomes available.

Malva Pacifica

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Malvales

Family

Malvaceae Juss. - Mallow family

Genus

Malva L. - mallow

Species

Malva pacifica M.F. Ray

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