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Sunny Boulevard™ St. John's Wort

Hypericum x SUNNY BOULEVARD 'Deppe'

  • Hypericum Sunny Boulevard Blooms All Summer with Bright Yellow Buttercup Flowers
  • Cold Hardy: Thrives in Zones 4-8
  • Grows 2-3 ft Tall, 3-4 ft Wide
  • Pollinator-Friendly Shrub
  • Medium-Growing in Full Sun
Regular price $2614
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Plant Size

Specifications

Plant specifications
Plant Characteristics Cold hardy, Compact/Dwarf, Low Maintenance, Reblooming, Flowering, Deer-resistant, Heat Tolerant, Drought resistant, Attracts pollinators, Container Friendly
Sunlight Full sun
Height 2-3 ft
Width 3-4 ft
Watering Needs Moderate
Growth Rate Medium
Blooms In Summer
Flower Color Yellow
Suitable Space Outdoors, Container
Botanical Name Hypericum x SUNNY BOULEVARD 'Deppe'
Species x
Cultivar Deppe
Class Malpighiales
Does Not Ship To AK, HI, ID, MT, OR, PR

Frequently Asked Questions

What is the mature height and width of Sunny Boulevard™ St. John's Wort?

  • Sunny Boulevard™ St. John's Wort reaches 2-3 feet tall and spreads slightly wider at maturity in zones 4-8. This native shrub naturally forms colonies over time, so give it room to spread for the best naturalized look.

Is Sunny Boulevard™ St. John's Wort drought tolerant once established?

  • Yes, Sunny Boulevard™ St. John's Wort is quite drought tolerant once established. This tough hybrid has an "iron constitution" and thrives in zones 4-8 despite its delicate appearance. Once the root system develops, it requires minimal watering and actually prefers well-draining soil.

How do I prune Sunny Boulevard™ St. John's Wort, and when is the best time?

  • Sunny Boulevard™ St. John's Wort tolerates pruning well but looks best left natural. Prune in late winter or early spring before new growth begins if you want to control its 2-3 foot spread. Light pruning maintains its graceful mounding habit while heavy pruning works for formal gardens.

Is Sunny Boulevard™ St. John's Wort deer resistant?

  • St. John's Wort is generally deer resistant due to its natural compounds that deer tend to avoid. This tough shrub's iron constitution includes natural defenses that make it unpalatable to browsing wildlife. Plant it in zones 4-8 for reliable, low-maintenance color that deer will likely leave alone.

How should I space Sunny Boulevard™ St. John's Wort plants when planting multiple?

  • Space Sunny Boulevard™ St. John's Wort plants 3-4 feet apart since they spread wider than their 2-3 foot height at maturity. This allows room for their natural colony-forming habit while maintaining good air circulation. Shop at Nature Hills for this long-blooming native that thrives in zones 4-8.

Does Sunny Boulevard™ St. John's Wort need winter protection, like mulching roots?

  • Sunny Boulevard™ St. John's Wort is cold-hardy in zones 4-8 and typically doesn't require winter protection. This tough shrub stays evergreen except in the most severe winters. A light mulch layer can help in zone 4 or exposed locations.