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Landscape Supply

Blue Boa Hyssop

Blue Boa Hyssop

Regular price $16.00 CAD
Regular price Sale price $16.00 CAD
Sale Sold out

Blue Boa Hyssop is a hardy perennial known for its licorice-scented foliage and nectar spikes swarmed by hummingbirds. Blue Boa Hyssop flowers in summer to fall in shades of blue, and performs best in full sun with low watering once established. This perennial matures to roughly 2-3.5 feet tall and 1.5-2.5 feet wide. It is ideal for mixed beds, butterfly gardens, and filling space between shrubs, offering dependable colour that returns every year. Once established it needs little attention, making Blue Boa Hyssop a dependable choice for Canadian gardens. It tolerates dry spells well once its roots are down.

  • Mature height: 2-3.5 feet
  • Mature width: 1.5-2.5 feet
  • Bloom: Blue, summer to fall
  • Light: Full Sun
  • Water: Low — water deeply but infrequently once established
  • Hardiness: Zone 4-9
  • Maintenance: Low maintenance
  • Pruning: Cut back to the ground in late fall or early spring; deadhead spent blooms through the season to encourage rebloom.
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🌿 Product Details

  • Latin Name: Agastache x 'Blue Boa'
  • 📏 Current Size: Approx 1ft
  • 🌱 Mature Size: Height: 2-3.5 feet | Width: 1.5-2.5 feet
  • ☀️ Light: Full Sun
  • 🧊 Hardiness Zone: 09-Apr
  • 🍃 Foliage Colour: Green
  • 🌸 Bloom Colour: Blue
  • 🗓️ Bloom Period: Summer to fall
  • 🪴 Planting Instructions: Dig a hole slightly wider than the pot, keeping the top of the root ball level with the surrounding soil. Loosen circling roots before planting, backfill with native soil amended with compost, then water thoroughly to settle. Space plants about 1.5-2.5 feet apart and keep well watered through the first full season while roots establish. Plant in full sun.
  • 💧 Care & Watering: Water low: water deeply but infrequently once established. Mulch to conserve moisture and moderate soil temperature, and feed with a balanced slow-release fertilizer in early spring. Cut back to the ground in late fall or early spring; deadhead spent blooms through the season to encourage rebloom.

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