North America Native Plant

Deam’s Clearweed

Botanical name: Pilea pumila var. deamii

USDA symbol: PIPUD

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Deam’s Clearweed: A Rare Native Annual Worth Knowing Meet Deam’s clearweed (Pilea pumila var. deamii), a charming little native annual that might just be the understated gem your garden has been missing. This petite forb belongs to the nettle family, but don’t worry – it won’t sting you like its ...

Rare plant alert!

Region: Conservation status by state

Status: S5T2T4: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ 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 ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Deam’s Clearweed: A Rare Native Annual Worth Knowing

Meet Deam’s clearweed (Pilea pumila var. deamii), a charming little native annual that might just be the understated gem your garden has been missing. This petite forb belongs to the nettle family, but don’t worry – it won’t sting you like its more notorious relatives!

What Makes Deam’s Clearweed Special?

Deam’s clearweed is a true American native, naturally occurring across eight states from the Gulf Coast up to the Great Lakes region. You’ll find this delicate annual calling home to Florida, Iowa, Kansas, Kentucky, Louisiana, New York, Oklahoma, and Texas. That’s quite a range for such a specialized variety!

As a forb, this plant lacks the woody stems of shrubs and trees, instead producing soft, herbaceous growth that completes its entire life cycle in just one growing season. It’s the botanical equivalent of living fast and making the most of every moment.

The Rarity Factor: Handle with Care

Here’s where things get interesting – and a bit concerning. Deam’s clearweed carries a Global Conservation Status of S5T2T4, which indicates this variety faces some conservation challenges. While not critically endangered, it’s certainly not common enough to take for granted.

If you’re interested in growing this native beauty, please ensure you source your seeds or plants from reputable native plant nurseries that practice responsible collection methods. Never harvest from wild populations – we want to keep this special variety thriving in its natural habitats for generations to come.

Why Choose Deam’s Clearweed for Your Garden?

While we may not have extensive cultivation details specific to this variety, choosing native plants like Deam’s clearweed offers several compelling benefits:

  • Supports local ecosystems and wildlife that evolved alongside these plants
  • Requires less water and maintenance once established in appropriate conditions
  • Contributes to regional biodiversity and conservation efforts
  • Connects your garden to the natural heritage of your area

Growing Considerations

As an annual forb, Deam’s clearweed will need to be replanted each year or allowed to self-seed if conditions are favorable. Like most natives, it likely prefers growing conditions similar to its natural habitat, though specific cultivation requirements for this variety aren’t well-documented in gardening literature.

Given its wide geographic distribution from the subtropical conditions of Florida to the continental climate of Iowa, this plant appears to be quite adaptable to different growing zones and conditions.

The Conservation Garden Approach

Consider incorporating Deam’s clearweed into a conservation-focused native plant garden alongside other regional natives. This approach not only creates beautiful, ecologically meaningful landscapes but also serves as a living seed bank for rare and important native varieties.

Since detailed growing information is limited, treat this as an opportunity for garden experimentation and citizen science. Document your growing experiences – your observations could contribute valuable information about cultivating this understudied native variety.

A Word of Caution and Encouragement

While Deam’s clearweed deserves a place in native plant gardens, its conservation status means we should approach cultivation thoughtfully. Source responsibly, grow respectfully, and share your knowledge with the native plant community.

Sometimes the most rewarding garden adventures come from growing the plants that few people know about – the quiet natives that have been holding down their corner of the ecosystem long before we arrived with our shovels and watering cans. Deam’s clearweed might just be one of those hidden treasures waiting to surprise you.

Deam’s Clearweed

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Hamamelididae

Order

Urticales

Family

Urticaceae Juss. - Nettle family

Genus

Pilea Lindl. - clearweed

Species

Pilea pumila (L.) A. Gray - Canadian clearweed

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