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Black Adder Hummingbird Mint

Keeps Blooming Late in the Season

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Black Adder Hummingbird Mint

Keeps Blooming Late in the Season

  • Fragrant, smoky blue flower plumes
  • Deer resistant
  • Attracts bees, butterflies and hummingbirds
  • Blooms late in the season
One of the best perennials for attracting beneficial pollinators, including butterflies and hummingbirds, to the garden. Black Adder Hummingbird Mint produces fragrant, smoky blue bottlebrush plumes from summer to early fall. They'll add wonderful color and texture to borders—and are attractive in cut-flower displays. This perennial's fragrant, oval leaves fill out the plant, giving it a lush habit. Black Adder blooms later in the season than some hummingbird mints, so it's excellent for extending the season. The deer-resistant, easy-care plants grow 30-36 in. tall. Grows best when planted in full sun. Zones 6-9.
Estimated Shipping Date:
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Plants will be shipped at the proper planting time for your area of the country using the shipping timeframes outlined below. We continually monitor weather conditions for extreme hot or cold and adjust shipping schedules as needed. Due to hot weather conditions, we are unable to ship most plant items in July and August. Items that are overweight will require an additional shipping charge depending on weight.

Spring 2025 Shipping Schedule
ZONE All Other Perennials & Potted Plants
3A-4A 4/28/25 - 5/30/25
4B 4/28/25 - 5/30/25
5A 4/28/25 - 5/30/25
5B 4/7/25 - 5/30/25
6A 3/24/25 - 5/30/25
6B 3/10/25 - 5/30/25
7A 2/24/25 - 5/30/25
7B 2/17/25 - 5/9/25
8A 2/17/25 - 5/9/25
8B 2/10/25 - 5/9/25
9A 2/10/25 - 5/9/25
9B 2/3/25 - 5/9/25
10A & B 2/3/25 - 5/9/25
Last Order Date Zones 3A-7A: May 26, 2025
Zones 7B-10B: May 5, 2025

Additional Shipping Notes:

The type of product you order or the weather in our area to yours may affect the anticipated shipping schedule, shifting earlier or later, depending.

Trees and shrubs are kept in the nursery row until full dormant for optimum stress protection.

In all cases, we choose the fastest, most efficient way to send your orders via the U.S. Postal Service or FedEx. Large orders or large items may be shipped to you in multiple packages.

Sorry, we cannot ship products to Hawaii, Alaska, APO/FPO or outside the contiguous United States. Please provide a street address as some products are unable to be delivered to Post Office boxes.

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Product Details

Product Details

  • Botanical Name: Agastache 'Black Adder'
  • Height: 30 - 36
  • Spacing:18 - 24"
  • Depth:1/4" deep
  • Spread:18 - 24"
  • Light Required:Full Sun
  • Pollinator:Not needed
  • Color: Smoky-blue
  • Size: Premium
  • Blooms: Mid Summer, Late Summer, Fall
  • Zone: 6-9
  • Form: Perennial
  • Flower Form: Bottlebrush plumes
  • Soil Requirements: Clay Soil, Dry Soil, Loamy Soil, Sandy Soil
  • Growth Rate: Medium
  • Pruning: Not needed
  • Foliage: Ovate to lance shaped leaves

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