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North America Native Plant

Mock Parsley

Mock Parsley: A Lesser-Known Native Annual Worth Discovering If you’re on the hunt for native plants that fly under the radar, mock parsley (Apiastrum angustifolium) might just be the botanical mystery you’ve been looking for. This unassuming annual forb is one of those plants that gardeners either stumble upon by ...

Mock Parsley: A Lesser-Known Native Annual Worth Discovering

If you’re on the hunt for native plants that fly under the radar, mock parsley (Apiastrum angustifolium) might just be the botanical mystery you’ve been looking for. This unassuming annual forb is one of those plants that gardeners either stumble upon by accident or seek out specifically because they love supporting truly local flora.

What Exactly Is Mock Parsley?

Mock parsley is a native annual forb, which means it’s an herbaceous plant that completes its entire life cycle in one growing season. Unlike woody shrubs or trees, this little guy stays soft and green throughout its life, never developing that thick, bark-like stem. It’s part of that wonderful group of plants that pop up, do their thing, set seed, and then bow out gracefully until the next year.

Where Does Mock Parsley Call Home?

This native beauty has quite the selective taste when it comes to real estate. Mock parsley is naturally found in just two states: Arizona and California. If you’re gardening in these areas, you’re working with a plant that has been calling your region home long before any of us arrived on the scene.

Why Consider Growing Mock Parsley?

Here’s where things get interesting (and a bit challenging). Mock parsley is what you might call a gardener’s puzzle. While we know it’s a legitimate native species, detailed information about its specific garden merits is surprisingly scarce. This could mean one of two things: either it’s so rare that few people have experience with it, or it’s so understated that it hasn’t caught the attention of the gardening world.

What we do know is that choosing native plants like mock parsley supports local ecosystems and provides authentic habitat for regional wildlife. Native annuals often serve as pioneer species, filling in gaps and providing quick coverage in disturbed areas.

Getting to Know Its Growing Preferences

Mock parsley has some clear preferences when it comes to moisture. In the Arid West, it’s classified as Obligate Upland, meaning it almost never hangs out in wet areas. However, in the Western Mountains, Valleys, and Coast regions, it’s a bit more flexible as a Facultative Upland plant – usually preferring drier spots but occasionally tolerating some moisture.

This wetland status tells us that mock parsley is likely drought-tolerant once established and would probably thrive in:

  • Well-draining soils
  • Areas that don’t stay consistently moist
  • Natural, unirrigated garden sections
  • Rock gardens or xeriscaped areas

The Challenge of Growing Mock Parsley

Here’s where we need to be honest: growing mock parsley might be more of an adventure than a sure thing. With limited information available about its specific cultivation needs, garden performance, or even where to source seeds, this plant falls into the for experienced native plant enthusiasts only category.

If you’re determined to give it a try, your best bet would be:

  • Contacting local native plant societies in Arizona or California
  • Reaching out to botanical gardens or universities in its native range
  • Looking for it in its natural habitat to observe its preferred growing conditions
  • Starting with seeds if you can locate them, as annuals are typically grown from seed

Alternative Native Options

If mock parsley proves too elusive, consider these well-documented native alternatives that might fill a similar niche in your Arizona or California garden:

  • Desert lupine (Lupinus sparsiflorus) – another native annual forb
  • Goldfields (Lasthenia californica) – cheerful yellow annual
  • Elegant clarkia (Clarkia unguiculata) – beautiful flowering annual

The Bottom Line

Mock parsley represents one of those intriguing native plants that reminds us how much we still have to learn about our local flora. While it might not be the easiest plant to incorporate into your garden right now, it’s exactly the kind of species that benefits from curious gardeners willing to do a little detective work.

Whether you decide to hunt down mock parsley or choose one of its better-known native cousins, you’re making a choice that supports the unique character of southwestern ecosystems. Sometimes the most rewarding gardening experiences come from the plants that make us work a little harder to understand them.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the “right plant for the right place" — matching plants to their ideal growing conditions, so they’ll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant’s wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Arid West

UPL

Obligate Upland - Plants with this status almost never occurs in wetlands

Western Mountains, Valleys, and Coast

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Mock Parsley

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

Apiales

Family

Apiaceae Lindl. - Carrot family

Genus

Apiastrum Nutt. ex Torr. & A. Gray - apiastrum

Species

Apiastrum angustifolium Nutt. - mock parsley

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