Is Agastache a long lived perennial?
Anise hyssop, Agastache foeniculum, is a short-lived herbaceous perennial with blue flowers and fragrant foliage that can be used as an ornamental or in the herb garden.
Is Agastache a hardy perennial?
Drought resistant/drought tolerant perennial plant (xeric). Agastache Ava is one of High Country Gardens very best plant introductions, renowned for its tall spikes of deep rose-pink flowers held by raspberry-red calyxes. This vigorous hybrid Hummingbird Mint blooms for many months beginning in mid-summer.
Does Agastache need sun?
Light: Agastache (or Anise Hyssop) grows and flowers best in full sun. They will survive part shade, especially afternoon shade in warmer climates, but may not flower as well. Soil: Agastache grows best on fertile, well-drained soils.
How do you care for Agastache?
Light/Watering: Full sun. Some afternoon shade will protect the leaf color of yellow-foliaged Agastaches. Fertilizer/Soil and pH: Average garden soil that drains well. Do not fertilize the first spring after planting; in subsequent years fertilize once in early spring with 10-10-10 or a layer of well-rotted compost.
Does Agastache spread?
Once established, agastache will spread fairly vigorously in the garden. It can be divided yearly or as needed. Agastache seeds need cold stratification to grow, so the best method is to direct sow them in the garden in the fall, so they are exposed to the winter cold temperatures.
Is Agastache invasive?
Easily grown in average, dry to medium, well-drained soils in full sun. Tolerates light shade but best in full sun. Also tolerates drought, poor soils, summer heat and humidity. Plants in this genus are non-invasive in the garden.
How many years do Agastache live?
I especially love Agastache, large-flowered Rudbeckia, Gaillardia, and Delphinium. Unfortunately, they only live two or three years for me. I thought perennials could live forever.
Should Agastache be cut back?
Agastache comes through winter best if you do NOT cut back. Cut back to about 4” in spring. Most Agastache self seed readily, so deadhead to prevent reseeding.
Are Agastache invasive?
What is the hardiest Agastache?
Agastache ‘Blue Fortune’
rugosa, this robust nonstop bloomer is probably the hardiest Agastache and one of the best butterfly feeding stations in the garden. Its fat, five-inch-long spikes of powder-blue flowers perch atop three-foot stems. The two- to three-inch, toothed green leaves are strongly licorice-scented.
Do slugs eat Agastache?
Agastache. As I said anything with aromatic foliage is always a good choice as a slug resistant plant. Agastache foeniculum, the giant hyssop, is becoming more and more popular as a border perennial and for use with grasses in prairie schemes.
Does Agastache bloom all summer?
Agastache is a perennial plant with lovely flower spires that bloom all season long. The Agastache flower is commonly found in purple to lavender, but may also bloom in pink, rose, blue, white, and orange. Growing Agastache as a drought-loving perennial actually produces the best plants.
How do you winterize Agastache?
Is Agastache plant invasive?
Do you cut back Agastache?
Herbaceous plants do best if trimmed back in early spring just as new growth is about to appear. Anise hyssop can also be deadheaded and shaped lightly from spring until mid-summer. Suspend any trimming thereafter, as it may force tender, new growth that can be damaged when cool weather appears.
Will Agastache survive winter?
Frost tolerant
Agastache seedlings can be damaged by spring frost, but established plants may survive winter if the soil does not freeze.