North America Native Plant

Hammond’s Claytonia

Botanical name: Claytonia virginica var. hammondiae

USDA symbol: CLVIH

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Hammond’s Claytonia: A Rare New Jersey Native Worth Protecting Meet Hammond’s claytonia (Claytonia virginica var. hammondiae), one of New Jersey’s most precious botanical treasures. This little-known native perennial forb represents a unique variety of the beloved spring beauty, but with a conservation story that makes it particularly special for native ...

Rare plant alert!

Region: New Jersey

Status: S5T1: Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ 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. ⚘ New Jersey Highlands region ⚘ New Jersey Pinelands region ⚘ Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Region: New Jersey

Hammond’s Claytonia: A Rare New Jersey Native Worth Protecting

Meet Hammond’s claytonia (Claytonia virginica var. hammondiae), one of New Jersey’s most precious botanical treasures. This little-known native perennial forb represents a unique variety of the beloved spring beauty, but with a conservation story that makes it particularly special for native plant enthusiasts.

A Plant on the Brink

Before we dive into growing tips, there’s something crucial you need to know about Hammond’s claytonia: it’s endangered. In New Jersey, this plant holds the serious conservation status of S1.1, meaning it’s critically imperiled with very few populations remaining. This isn’t just another pretty wildflower – it’s a plant fighting for survival.

Where to Find Hammond’s Claytonia

Hammond’s claytonia is native to the United States, but its distribution is remarkably limited. Currently, it’s only documented in New Jersey, where it clings to existence in very specific habitats. This extremely narrow geographic range is part of what makes it so vulnerable.

What Makes This Plant Special

As a perennial forb, Hammond’s claytonia is a non-woody vascular plant that returns year after year. Like other members of the spring beauty family, it likely emerges early in the growing season, though specific details about this particular variety remain limited in scientific literature.

The plant’s classification as a forb means it lacks significant woody tissue and maintains its growing points at or below ground level – a survival strategy that helps it weather harsh conditions and return reliably each spring.

Should You Plant Hammond’s Claytonia?

Here’s where things get complicated. While we absolutely want to support native plants, Hammond’s claytonia presents a unique ethical challenge. Its endangered status means that:

  • Wild collection is absolutely prohibited and harmful to remaining populations
  • Any planting should only be done with responsibly sourced, nursery-propagated material
  • Seeds or plants should come from legitimate conservation programs or specialized native plant nurseries
  • Consider this plant only if you’re committed to conservation and have appropriate growing conditions

Growing Conditions and Care

Unfortunately, specific growing requirements for Hammond’s claytonia remain poorly documented in available literature. However, as a New Jersey native that has achieved such specialized distribution, it likely has very specific habitat needs that contributed to both its evolution and its current rarity.

If you’re fortunate enough to obtain responsibly sourced Hammond’s claytonia, treat it with the reverence it deserves. Monitor its progress carefully, protect it from disturbance, and consider participating in seed collection for conservation efforts if the plant establishes successfully.

Conservation-Minded Alternatives

While Hammond’s claytonia remains largely unavailable and unsuitable for most gardens due to its conservation status, consider supporting related native species that can provide similar ecological benefits without conservation concerns. Other New Jersey natives in the Claytonia genus or early spring wildflowers might offer comparable garden value while supporting local ecosystems.

The Bottom Line

Hammond’s claytonia represents something precious and irreplaceable in New Jersey’s botanical heritage. Rather than focusing solely on how to grow it, perhaps the more important question is how we can protect the remaining wild populations and support conservation efforts.

If you’re passionate about native plants and conservation, consider volunteering with local botanical organizations, supporting habitat preservation efforts, or focusing your garden efforts on more readily available native species that can still provide tremendous ecological value.

Sometimes the most meaningful way to appreciate a rare plant is to ensure it continues to exist in the wild for future generations to discover and protect.

Hammond’s Claytonia

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Portulacaceae Dumort. - Purslane family

Genus

Claytonia L. - springbeauty

Species

Claytonia virginica L. - Virginia springbeauty

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