North America Native Plant

Parthenice

Botanical name: Parthenice

USDA symbol: PARTH

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Parthenice: An Enigmatic Arizona Native Worth Knowing Meet Parthenice, one of Arizona’s more mysterious native plants that doesn’t get much fanfare in gardening circles. This humble annual forb might not have the star power of a prickly pear cactus or the showy blooms of a desert marigold, but it deserves ...

Parthenice: An Enigmatic Arizona Native Worth Knowing

Meet Parthenice, one of Arizona’s more mysterious native plants that doesn’t get much fanfare in gardening circles. This humble annual forb might not have the star power of a prickly pear cactus or the showy blooms of a desert marigold, but it deserves a spot on every native plant enthusiast’s radar.

What Exactly Is Parthenice?

Parthenice is a native annual forb that calls Arizona home. As a forb, it’s essentially an herbaceous flowering plant – think of it as nature’s way of creating a non-woody wildflower that completes its entire life cycle in just one growing season. Unlike shrubs or trees, this little plant puts all its energy into growing, flowering, and producing seeds before the year is up.

Being an annual means Parthenice is a bit of a garden sprinter rather than a marathon runner. It germinates, grows, flowers, sets seed, and dies all within a single year, but don’t let that fool you into thinking it’s not worth your attention.

Where You’ll Find This Arizona Native

Parthenice is endemic to Arizona, making it a true local specialty. This geographic limitation actually makes it quite special – it’s a plant that has evolved specifically for Arizona’s unique climate and growing conditions. When you plant Parthenice, you’re cultivating a piece of Arizona’s natural heritage right in your backyard.

Why Consider Parthenice for Your Garden?

While detailed growing information about Parthenice is surprisingly scarce in horticultural literature, its native status gives us some important clues about why it might be worth seeking out:

  • True Arizona authenticity: As a state endemic, it’s about as local as you can get
  • Low-maintenance potential: Native plants are typically well-adapted to local conditions
  • Supporting local ecosystems: Native plants provide the foundation for healthy local wildlife communities
  • Water-wise gardening: Arizona natives are generally drought-tolerant once established

The Challenge of Growing Parthenice

Here’s where things get a bit tricky – and honestly, quite fascinating from a botanical perspective. Parthenice appears to be one of those under-the-radar native plants that hasn’t made it into mainstream cultivation or even detailed horticultural studies. This means specific growing information, seed sources, and cultivation tips are practically non-existent in standard gardening resources.

This scarcity of information doesn’t necessarily mean the plant is rare or endangered, but it does suggest it’s not commonly cultivated. For the adventurous native plant gardener, this presents both a challenge and an opportunity.

What We Can Infer About Growing Conditions

While we don’t have specific cultivation guides for Parthenice, we can make some educated guesses based on its Arizona origins:

  • Climate: Likely adapted to hot, arid conditions with intense sun
  • Soil: Probably tolerates poor, well-draining desert soils
  • Water: Most likely drought-tolerant with minimal water needs
  • Timing: As an annual, timing of planting would be crucial for Arizona’s growing seasons

Should You Try to Grow Parthenice?

If you’re a native plant enthusiast with a spirit of botanical adventure, Parthenice could be an intriguing addition to your Arizona native plant collection. However, the practical challenges are real – finding seeds or plants may prove difficult, and you’d essentially be pioneering its cultivation.

For gardeners seeking reliable Arizona natives with similar characteristics, consider these well-documented alternatives:

  • Desert lupine (Lupinus sparsiflorus)
  • Arizona poppy (Kallstroemia grandiflora)
  • Desert marigold (Baileya multiradiata)
  • Ghost plant (Graptopetalum paraguayense)

The Bottom Line

Parthenice represents one of those wonderful botanical mysteries that make native plant gardening so fascinating. While it may not be the easiest plant to grow or even find, it serves as a reminder that Arizona’s native plant diversity extends far beyond the commonly cultivated species.

If you do encounter Parthenice in the wild or manage to source seeds, treat it as a special opportunity to connect with Arizona’s unique botanical heritage. Just remember to always source native plants responsibly and never collect from wild populations without proper permits.

Sometimes the most rewarding garden discoveries come from the plants that don’t have their own Wikipedia pages or dedicated growing guides – they’re the hidden gems waiting for curious gardeners to unlock their secrets.

Parthenice

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

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Parthenice A. Gray - parthenice

Species

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