North America Native Plant

Early St. Johnswort

Botanical name: Hypericum nudiflorum

USDA symbol: HYNU

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Hypericum apocynifolium Small (HYAP2)   

Early St. Johnswort: A Cheerful Native Shrub for Wet Spots Looking for a native shrub that brings sunshine to your garden when most plants are still sleeping? Meet early St. Johnswort (Hypericum nudiflorum), a delightful southeastern native that’s ready to brighten your landscape when you need it most. This unassuming ...

Rare plant alert!

Region: Arkansas

Status: S2: Status is uncertain but is somewhere between the following rankings: 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) ⚘ 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) ⚘ 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) ⚘

Region: Arkansas

Early St. Johnswort: A Cheerful Native Shrub for Wet Spots

Looking for a native shrub that brings sunshine to your garden when most plants are still sleeping? Meet early St. Johnswort (Hypericum nudiflorum), a delightful southeastern native that’s ready to brighten your landscape when you need it most. This unassuming shrub might just be the perfect solution for those tricky wet spots in your yard that leave other plants throwing in the towel.

What Makes Early St. Johnswort Special

Early St. Johnswort lives up to its name by producing cheerful yellow flowers in late winter to early spring, often when snow might still be on the ground in northern parts of its range. As a true native of the southeastern United States, this perennial shrub has been quietly doing its job in American landscapes for centuries, typically growing 3-6 feet tall with an equal spread.

The plant’s attractive reddish-brown bark adds year-round interest, especially noticeable in winter when the exfoliating bark creates textural appeal. Don’t let its modest size fool you – this shrub packs a punch when it comes to both beauty and ecological value.

Where You’ll Find This Native Gem

Early St. Johnswort calls the southeastern United States home, naturally occurring in Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, and Virginia. It’s perfectly adapted to the climate and growing conditions of these regions.

However, gardeners should be aware that this plant has become somewhat uncommon in parts of its native range. In Alabama, it carries a rarity status of S2 (imperiled), while Arkansas lists it as S1S2 (critically imperiled to imperiled). If you’re in these states and want to grow early St. Johnswort, make sure to source your plants responsibly from reputable native plant nurseries rather than collecting from wild populations.

Perfect for Challenging Garden Spots

Here’s where early St. Johnswort really shines – it absolutely loves what many other plants hate. This shrub thrives in consistently moist to wet soils and has a wetland status of Facultative Wetland across its range, meaning it’s most at home in soggy conditions but can tolerate drier spots too.

Early St. Johnswort is ideal for:

  • Rain gardens and bioswales
  • Low-lying areas that stay wet
  • Pond or stream edges
  • Woodland understory plantings
  • Native plant gardens
  • Naturalized landscapes

Growing Conditions and Care

This accommodating shrub is surprisingly easy to please once you understand its preferences. Early St. Johnswort thrives in USDA hardiness zones 6-9, making it suitable for a wide range of southeastern gardens.

Light requirements: Partial shade to full sun (though it appreciates some afternoon shade in hotter climates)

Soil needs: Moist to wet, well-draining soils. It’s quite tolerant of different soil types as long as moisture is consistent

Water requirements: Consistent moisture is key – this plant can even tolerate periodic flooding

Planting and Care Tips

Getting early St. Johnswort established in your garden is refreshingly straightforward:

  • Plant in spring or fall when temperatures are moderate
  • Dig a hole twice as wide as the root ball but no deeper
  • Ensure consistent moisture during the first growing season
  • Apply a 2-3 inch layer of organic mulch around the base
  • Pruning is optional but can be done after flowering if desired
  • Once established, this shrub is quite low-maintenance

Wildlife and Pollinator Benefits

While early St. Johnswort may not be a wildlife superstar, it definitely pulls its weight in the ecosystem. The early blooming flowers provide crucial nectar for bees, butterflies, and other pollinators when few other food sources are available. This timing makes it particularly valuable for early-emerging native bees and overwintering butterflies.

Though it provides modest food value for birds and larger wildlife (about 2-5% of their diet according to research), every little bit helps in creating a complete ecosystem. The shrub also offers some cover for small wildlife, particularly in naturalized settings.

Is Early St. Johnswort Right for Your Garden?

Early St. Johnswort is an excellent choice if you:

  • Have consistently moist or wet areas in your landscape
  • Want early season color and pollinator support
  • Appreciate low-maintenance native plants
  • Are creating a rain garden or wetland planting
  • Live within its native range in the Southeast

However, this shrub might not be the best fit if you have very dry conditions or are looking for a showstopping specimen plant. Its beauty lies in its quiet reliability and ecological contributions rather than flashy displays.

For gardeners in Alabama and Arkansas, remember to source plants responsibly due to its rarity status in these states. Choose nursery-grown plants over wild-collected specimens to help protect remaining wild populations.

Early St. Johnswort proves that sometimes the most valuable garden plants are the ones that quietly do their job while supporting the local ecosystem. If you’ve got a wet spot that needs a reliable, beautiful, and ecologically beneficial shrub, this southeastern native might just be your perfect match.

Early St. Johnswort

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Theales

Family

Clusiaceae Lindl. - Mangosteen family

Genus

Hypericum L. - St. Johnswort

Species

Hypericum nudiflorum Michx. ex Willd. - early St. Johnswort

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