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Blacknight Hollyhock

Returns year after year

Q&A
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  • Sun Exposure: Full Sun
  • Height/Habit: 4 - 6 feet
  • Zone: 3-9
  • Flowering Date: Midsummer to fall.
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Blacknight Hollyhock

Description

Single black-purple flowers bloom on sturdy stems, attracting hummingbirds and butterflies. Unlike other hollyhocks that are biennials, Blacknight is a perennial. With their tall spikes, hollyhocks are a favorite for back borders or planted along a fence in a cottage garden. Ships in 3" pot. Alcea rosea 'Blacknight'

Perennial • Z3-9 • H4-6'xW2' • Midsummer to Fall • Sun

Product Details
  • Season Spring
  • Unit of Measure1
  • Botanical NameAlcea rosea 'Spotlight Blacknight'
  • Sun ExposureFull Sun
  • State RestrictionsAE AK GU HI PR
  • Spread18 - 24 inches
  • Spacing18 - 24 inches
  • Hardiness Zone3-9
  • Flowering DateMidsummer to fall.
  • Planting InstructionsGrow next to a sunny wall or fence. Stalks are very strong, but may require staking if planted in an open sunny site.
  • Winter CareNone special
  • Flower Color:black
  • Flower FormSingle open flowers.
  • Foliage TypeRound, lobed leaves.
  • Borders1
  • FragranceNone
  • ResistanceSusceptible to hollyhock rust and japanese beetles.
  • Soil RequirementModerately fertile, well drained soil.
  • Unique CharactersticsDeep black-purple, single flowers are produced on tall, sturdy stalks in midsummer.For over 18 years, Jelitto worked to develop a consistent strain of stable, straight color, single flowered Hollyhocks. The Alcea rosea Spotlight Series was introduced by Jelitto in 2010 with multiple single color strains including deep black-purple, red, pink, yellow, and white.Other than their fabulous blossoms, one of the best traits about this series is that the plants are truly perennial, not biennial.Feel free to grow hollyhocks under Black Walnut trees; they are tolerant of the toxic juglone that is emitted through the trees' roots.
  • Shipped2.5 INCH POT
  • Height/Habit4 - 6 feet
  • Growth RateFast
Shipping Information

When will my order ship?

Plants will be shipped at the proper planting time for your area of the country during the shipping timeframes outlined below:

2018 Spring Shipping Schedule
Zone Perennials & Potted Plants
1A-4B 5/7/18 - 6/22/18
5A 4/2/18 - 6/22/18
5B 3/19/18 - 6/22/18
6A 3/12/18 - 6/22/18
6B 3/5/18 - 6/22/18
7A & 7B 2/26/18 - 6/22/18
8A & 8B 2/19/18 - 5/18/18
9A - 10B 2/12/18 - 5/18/18
Last Order Date Zones 1-7: June 18th, 2018
Zones 8-10: May 14th, 2018

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