Agastache foeniculum Blackadder
Agastache foeniculum Blackadder
Agastache foeniculum Blackadder
Agastache foeniculum Blackadder
Agastache foeniculum Blackadder
Agastache foeniculum Blackadder
Agastache foeniculum Blackadder
Agastache foeniculum Black Adder
Korean Mint, Anise Hyssop, Giant hyssop
This item cannot be shipped to the selected country
Delivery charge from €5.90
Delivery charge from €5.90
More information
Schedule delivery date,
and select date in basket
This plant carries a 12 months recovery warranty
More information
We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
From €5.90 for pickup delivery and €6.90 for home delivery
Express home delivery from €8.90.
From €5.90 for pickup delivery and €6.90 for home delivery
Express home delivery from €8.90.
Does this plant fit my garden?
Set up your Plantfit profile →
Description
Agastache 'Blackadder' is a robust perennial with electric blue flowers carried on black spikes; this beautiful perennial catches everyone's attention.
A hybrid variety between Agastache rugosa and A. foeniculum, this novelty is both very floriferous, robust, and easy to grow.
A bushy perennial with an upright habit, reaching a height of 80cm, Agastache 'Blackadder' blooms from June to September. It produces cylindrical flower spikes measuring 8 to 10cm in length, with black calyxes topped with bright electric blue tubular corollas. This intense black/blue combination contrasts with a magnificent light green, highly aromatic foliage offering a fruity scent composed of mint, liquorice, and lemon notes.
A melliferous plant, meaning it contains nectar that pollinating insects will transform into honey, Agastache is highly appreciated by bees, bumblebees, and even butterflies.
With good hardiness, the 'Blackadder' variety thrives in full sun, and it prefers rich and moist but well-drained soils.
When paired with Sedums, Rudbeckias, Gauras, or Stipa, it creates harmonious and natural scenes. For more graphic and contemporary scenes, combine it with Allium giganteum, Allium 'Summer Drummer', or Echinops ritro. The contrast of upright spikes and globular umbels works wonderfully!
Report an error about the product description
Agastache foeniculum Blackadder in pictures
Flowering
Foliage
Plant habit
Botanical data
Agastache
foeniculum
Black Adder
Lamiaceae
Korean Mint, Anise Hyssop, Giant hyssop
Agastache anisata
Cultivar or hybrid
Other Agastache
Available in 2 sizes
Available in 2 sizes
Available in 1 sizes
Available in 1 sizes
Available in 2 sizes
Available in 1 sizes
Available in 1 sizes
Available in 1 sizes
Available in 1 sizes
Available in 1 sizes
Planting and care
Agastache 'Blackadder' thrives in full sun or partial shade, sheltered from cold winds. It is a plant that withstands drought well. It is suitable for any type of well-drained soil, preferably moist and rich. If necessary, water the plant, especially during flowering. In spring, remove faded inflorescences and tidy up the clump. It is not particularly susceptible to diseases or pests that can hinder its flowering, except for powdery mildew, which can affect the leaves during dry spells.
Planting period
Intended location
Care
-
, onOrder confirmed
Reply from on Promesse de fleurs
Summer flowering perennials
Available in 4 sizes
Available in 1 sizes
Available in 1 sizes
Available in 1 sizes
Available in 1 sizes
Available in 2 sizes
Available in 1 sizes
Available in 1 sizes
Available in 1 sizes
Available in 2 sizes
Haven't found what you were looking for?
Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
Photo Sharing Terms & Conditions
In order to encourage gardeners to interact and share their experiences, Promesse de fleurs offers various media enabling content to be uploaded onto its Site - in particular via the ‘Photo sharing’ module.
The User agrees to refrain from:
- Posting any content that is illegal, prejudicial, insulting, racist, inciteful to hatred, revisionist, contrary to public decency, that infringes on privacy or on the privacy rights of third parties, in particular the publicity rights of persons and goods, intellectual property rights, or the right to privacy.
- Submitting content on behalf of a third party;
- Impersonate the identity of a third party and/or publish any personal information about a third party;
In general, the User undertakes to refrain from any unethical behaviour.
All Content (in particular text, comments, files, images, photos, videos, creative works, etc.), which may be subject to property or intellectual property rights, image or other private rights, shall remain the property of the User, subject to the limited rights granted by the terms of the licence granted by Promesse de fleurs as stated below. Users are at liberty to publish or not to publish such Content on the Site, notably via the ‘Photo Sharing’ facility, and accept that this Content shall be made public and freely accessible, notably on the Internet.
Users further acknowledge, undertake to have ,and guarantee that they hold all necessary rights and permissions to publish such material on the Site, in particular with regard to the legislation in force pertaining to any privacy, property, intellectual property, image, or contractual rights, or rights of any other nature. By publishing such Content on the Site, Users acknowledge accepting full liability as publishers of the Content within the meaning of the law, and grant Promesse de fleurs, free of charge, an inclusive, worldwide licence for the said Content for the entire duration of its publication, including all reproduction, representation, up/downloading, displaying, performing, transmission, and storage rights.
Users also grant permission for their name to be linked to the Content and accept that this link may not always be made available.
By engaging in posting material, Users consent to their Content becoming automatically accessible on the Internet, in particular on other sites and/or blogs and/or web pages of the Promesse de fleurs site, including in particular social pages and the Promesse de fleurs catalogue.
Users may secure the removal of entrusted content free of charge by issuing a simple request via our contact form.
The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:
- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.