North America Native Plant

Arizona Grapplinghook

Botanical name: Harpagonella palmeri var. arizonica

USDA symbol: HAPAA

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Arizona Grapplinghook: A Rare Desert Gem for Native Plant Enthusiasts If you’re passionate about native plants and love discovering botanical treasures, Arizona grapplinghook (Harpagonella palmeri var. arizonica) might just be the fascinating addition your desert garden has been waiting for. This little-known native annual brings authentic Southwestern character to landscapes ...

Rare plant alert!

Region: Conservation status by state

Status: S4T3T4: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘

Arizona Grapplinghook: A Rare Desert Gem for Native Plant Enthusiasts

If you’re passionate about native plants and love discovering botanical treasures, Arizona grapplinghook (Harpagonella palmeri var. arizonica) might just be the fascinating addition your desert garden has been waiting for. This little-known native annual brings authentic Southwestern character to landscapes while supporting local ecosystems.

Meet the Arizona Grapplinghook

Arizona grapplinghook is a native annual forb that calls the American Southwest home. As a member of the vast family of non-woody vascular plants, this species completes its entire life cycle within a single growing season, making it a true desert ephemeral. Its classification as a forb means it’s an herbaceous flowering plant that lacks significant woody tissue, with buds that develop at or below ground level.

Where You’ll Find This Desert Native

This distinctive plant is endemic to Arizona, making it a true regional specialty. Its limited geographic distribution adds to its appeal for gardeners who want to create authentic, location-specific landscapes that reflect the unique character of the Sonoran Desert region.

Important Conservation Considerations

Before falling in love with this plant, there’s something crucial to know: Arizona grapplinghook has a Global Conservation Status of S4T3T4, indicating it faces some conservation concerns. This means that while it’s not critically endangered, its populations may be limited or declining. If you’re interested in growing this species, it’s essential to source seeds or plants only from reputable native plant societies, botanical gardens, or conservation organizations that can guarantee responsible collection practices.

Why Choose Arizona Grapplinghook?

Here are compelling reasons to consider this native annual:

  • Authentic regional character for Arizona landscapes
  • Supports local ecosystem health and biodiversity
  • Annual life cycle provides seasonal interest
  • Low water requirements typical of desert natives
  • Contributes to conservation efforts when responsibly grown

Growing Challenges and Considerations

Arizona grapplinghook isn’t your typical garden center find, and growing it successfully requires some dedication:

  • Limited availability of seeds or plants
  • Specific desert growing conditions needed
  • Annual nature means replanting each season
  • May require patience to establish from seed
  • Best suited for experienced native plant gardeners

Garden Design Applications

This native forb works beautifully in:

  • Desert wildflower gardens
  • Native plant collections
  • Conservation-focused landscapes
  • Educational demonstration gardens
  • Specialized xerophytic plantings

The Bottom Line

Arizona grapplinghook represents the fascinating diversity of our native flora, but it’s not a plant for casual gardeners. If you’re committed to native plant conservation and have experience with desert species, this rare gem could be a meaningful addition to your landscape. However, always prioritize responsible sourcing and consider supporting conservation efforts for this species.

For most gardeners seeking native Arizona plants, consider starting with more readily available species like desert marigold, brittlebush, or palo verde trees, which offer similar benefits with greater availability and easier cultivation.

Arizona Grapplinghook

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

Harpagonella A. Gray - grapplinghook

Species

Harpagonella palmeri A. Gray - Palmer's grapplinghook

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