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Sunny Boulevard™ St. John's Wort

Hypericum x SUNNY BOULEVARD 'Deppe'

Regular price $2614
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Plant Size

Planting & Care

Where to Plant

  • Sunlight: This shrub performs best in full sun, requiring at least 6 hours of direct light daily to produce the densest carpet of yellow blooms. While it can handle partial shade, you will notice fewer flowers and a more open, leggy growth habit.
  • Soil: Aim for well drained soil that does not stay soggy after a rain. If you have heavy clay, mix in some organic compost to improve drainage, as "wet feet" can lead to root rot in this variety.

Watering Requirements

During the first growing season, water your St. John's Wort twice a week to help the roots dive deep into the soil. Once the plant is established, it is remarkably drought tolerant and usually only needs supplemental water during extreme summer heat waves. If you let it get too dry during the budding phase, you might see smaller flowers or a shorter blooming window.

Pruning Tips

This plant blooms on new wood, meaning the flowers grow on the fresh stems produced in the current year. The best time to prune is in early spring before new growth begins, cutting the entire plant back by about a third. This act is like a "reset button" that encourages a flush of vigorous new stems and maintains a tidy, rounded shape.

Fertilizer Needs

Apply a balanced, slow release fertilizer once in early spring as the first green leaves appear to fuel the summer bloom cycle. Avoid using high nitrogen fertilizers late in the summer, as this triggers soft new growth that will not have time to harden off before the first frost. This late season growth is very susceptible to winter kill and can weaken the overall health of the shrub.

Delivery and Shipping

Preorder Shipping Schedule

We ship your plants when it's safe to transport them to your zone. Dates are estimated and subject to weather delays.

Zone 3-4 Week of March 30th
Zone 5 Week of March 16th
Zone 6-12 Week of March 2nd


Shipping Rates

Ships in 3-4 business days • Tracking provided • Weather protected

Under $50 $9.99
$50 - $99.99 $14.99
$100 - $149.99 $16.99
$150 - $198.99 $24.99
$199+ FREE

✓ Zone-specific timing • ✓ Professional packaging • ✓ Health guarantee

Photo courtesy of Proven Winners - www.provenwinners.com

Bright buttercups for butterflies on a bush! No color is as cheery as the color yellow, and very few flowers can touch Sunny Boulevard® for its bright yellow flowers. Proven Winners® ColorChoice® Sunny Boulevard® St. John's Wort (Hypericum x SUNNY BOULEVARD 'Deppe') is a beautiful and strong hybrid American native. It blooms all summer, offering a very long season of color with its bright yellow buttercup-type flowers.

This shrub is lacy and soft on the outside, with its soft grey-green leaves and graceful mounding habit, but it has an iron constitution. It is evergreen in all but the most severe winters. You can count on this plant as a mainstay in your garden. In the autumn, shiny brown capsules appear to add fall and winter interest to your garden beds and borders!

Don't let the cheery flowers and soft foliage fool you, this plant is a tough fighter! St. John's Wort makes itself right at home, even spreading out a little to form nice colonies! Cold-hardy throughout USDA growing zones 4 to 8 and grows into a tidy 2-3 feet in height and spreads a bit wider at maturity. St. John's Wort is also a beneficial herb and has long been used to relieve everything from anxiety to inflammation. While we don't recommend using landscaping Hypercum medicinally, just the sunny blooms and the sheer amount of butterflies that arrive are sure to lift your spirits!

Planting and Application:

Though you can prune up St. John's Wort and it will be fine with it, most people prefer the 'wild' native-looking accent it brings to your garden. St. Johns Wort maintains a tidy 'scruffiness' to formal plantings and cottage gardens, and even brightening garden beds as a backdrop! Sunny Boulevard® as well as fitting in perfectly in informal country borders. Any way you style it, St. John's Wort compliments your individual garden design!

Pair Sunny Boulevard® with other pollinator and native cultivar plants that will show off their graceful, natural form and fit into a naturalized planting! Baby Blue Eyes, 'Little Joe' Joe-Pye Weed, or Paprika Yarrow, for instance, are good companions and their colors will look great with that Sunny Boulevard® yellow.

The 3-4 foot wide-spreading nature of these plants makes them perfect for erosion control, on steep slopes, and en masse. Need to fill an area with sunshine and butterflies? Plant a few St. John's Wort and sit back and relax!

  • Bright Yellow Flowers All Summer
  • Willow-Like Leaves & Fine-Texture
  • Bee & Butterfly Nectar Resource & Hardy Native Hybrid
  • Persistent Seedpods For Winter Interest
  • Spreading & Naturalizing, Borders & Backdrops, Erosion & Accents

#ProPlantTips for Care:

St. John's Wort is not particular about soil pH levels and is particularly suited for urban conditions, pollution, etc. St. John's Wort is easy-care when grown in average, medium, well-drained soils in full sun to part shade. It prefers moist, rich, sandy loams and tolerates some drought. Deer seldom bother this plant! Just be sure to provide well-drained soils since Hypericum cannot tolerate wet feet! Apply a generous 3-4 inch thick layer of mulch to retain moisture and insulate the root system from heat and winter's chill. Sunny Boulevard® blooms on new wood, so prune in early spring to clean the mound and control its size and shape.

  • Full Sun & Some Partial Shade
  • Vigorous Growing Deciduous Flowering Shrub
  • Needs Well-Drained Soil & Moderate Moisture Needs
  • Cold-Hardy, Deer Resistant & Drought Tolerance!
  • Prune Early Spring

Find a spot in your garden border for Proven Winners® ColorChoice® Sunny Boulevard® St. John's Wort from Nature Hills. You'll be rewarded over and over again by this great native shrub.

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