Full sun and well-drained soil sum it up for growing the Black Adder Agastache. It loves heat and although it does like some water, established plants take dry conditions well. Plant it in soils of all kinds, from sand to clay, but not in wet areas.
How do you plant Agastache seeds?
Soil: Agastache grows best on fertile, well-drained soils. It likes a soil close to neutral and in areas with acidic soils will benefit from the addition of lime. Spacing: Plant Agastache seeds indoors 4 to 6 weeks before a last frost date. Move plants outdoors when the transplants are at least 4 inches tall. Space plants 12 to 15 inches apart.
Can you plant Agastache in the fall?
Planting: Plant Agastache in spring after all danger of frost has passed. You can plant seedlings any time until early summer. Agastache is easy to grow directly seeded into the garden. You can plant seeds in spring or in fall. Fall planted seeds will stay dormant all winter and sprout at the appropriate time in spring.
What does Agastache Black Adder look like?
Agastache 'Black Adder' features a remarkably long floral display, from midsummer to fall, of fragrant, tubular, two-lipped red-violet flowers emerging from dense, dark buds and held in bottle-brush, terminal spikes about 6-8 inch long (15-20 cm). Eye-popping, this Agastache will add color and a lovely spiky texture to your garden.
How do you take care of Agastache?
Watering: Agastache is a drought-tolerant herb, especially once established. Keep the soil moist for germination and seedling growth. Once mature, these mint family plants are tough and can go weeks without watering. Fertilizing: Amend the soil before planting Agastache with compost. Additional fertilizer usually isn't needed.
How do you take care of a Black Adder in Agastache?
Agastache 'Blackadder'Position: full sun.Soil: well-drained, fertile soil.Rate of growth: average.Flowering period: July to October.Hardiness: fully hardy (borderline) ... Garden care: Don't cut back the faded flower-stems until early spring, as they provide interest in the winter months.
How tall is Agastache Black Adder?
2-3 feet tallForms upright clumps up to 2-3 feet tall (60-90 cm) and 18-24 in. wide (45-60 cm), with aromatic, blue-green leaves which exude an anise scent when crushed.
Should Agastache be cut back in the fall?
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.
How do you grow and care for Agastache?
Agastache needs 'lean,' well-drained soils. Clay and rich, water-retentive loamy soils are a poor match for these plants. Agastache will act like annuals when grown in rich, fertile soils with too much water and fertilizer. They'll grow and flower lushly, but are most likely to perish over the winter.
Does Agastache Black Adder spread?
Clumps of tight stems with green aromatic foliage carry spikes of dark violet-blue blue bottle brush flowers during the summer....Click & Collect Available. Simply select at checkout.AspectFull sunHardinessHardy in a sheltered positionHeight90cmSoilRich and fertileSpread30cm5 more rows
What do I do with Agastache after flowering?
Deadhead spent blooms as and when you need to, and then avoid pruning from autumn as this could promote new growth that may not survive winter. Protect the plant from frost using fleece or dig up the rootball and move it indoors for winter.
How do you prepare Agastache for the winter?
Mulch your Agastaches only if the weather will be below zero for long periods of time. Mulch to a depth of 2 to 3 inches. Do not water at any point during the mulching process. Remove the mulch as soon as the weather warms up to around freezing.
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.
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.
Will Agastache come back every year?
Agastache (aka Anise Hyssop) is a tender perennial with aromatic leaves and colorful flower spikes all summer long. While traditional varieties have blue or purple colored flowers, newer varieties feature bold colors such as red and orange. In warm climates, it comes back consistently each year.
Why is my Agastache dying?
This is caused by overwatering the plant or keeping the plant in soil that is not well-draining. Yellowing of the plant's leaves can also be caused by overwatering the plants, even if no root rot is present.
Does blue boa Agastache spread?
Agastache 'Blue Boa' PP 24,050 (Blue Boa Hummingbird Mint) is a stunning hybrid variety that blooms for many months from mid-to-late summer with showy spikes of deep violet-blue flowers....Blue Boa Agastache.Zones5 - 8Light RequirementsFull SunWater ToleranceLow-WaterMature Height24-32" tallMature Spread18-24" wide4 more rows
What can I plant with Blue Hill Salvia?
Salvia nemorosa Blue Hill Combines well with Sedum and Echinacea.
What is hummingbird mint?
Agastache, also called Hummingbird Mint and Hyssop, are fragrant and long-blooming perennials. These are must-have plants for waterwise landscapes that are filled with flowers and plenty of pollinators.
How do you grow Agastache in blue fortune?
Tips for growing Agastache They bloom from mid-summer into early fall and are resistant to rabbits and deer. Provide a fast draining soil that's naturally low in fertility, Don't plant into clay soils. Plant in full hot sun. Just a few handfuls of compost in the planting hole is enough.
What is a black adder?from gardenia.net
Giant Hyssop 'Black Adder', Hyssop 'Black Adder', Anise Hyssop 'Black Adder', Hummingbird Mint 'Black Adder' 1 Forms upright clumps up to 2-3 feet tall (60-90 cm) and 18-24 in. wide (45-60 cm), with aromatic, blue-green leaves which exude an anise scent when crushed. 2 Provides a bold visual impact in beds, borders, wildflower gardens, herb gardens, butterfly gardens or prairie gardens over a very long season. 3 Ideal to add color in the late season garden when many other plants are fading. 4 Creates a stunning effect when mixed with other perennials or planted en masse. Perfect for prairie plantings where it will thrive without maintenance. 5 Attracts streams of hummingbirds, butterfliesand other beneficial pollinators. 6 Easily grown in full sun, in average, dry to medium moisture, well-drained soils. Good drainage is particularly important. Prefers alkaline soils, but will tolerate poor, acid conditions. 7 Drought, dry soiland heat tolerant once established. 8 Generallydisease and pest free(might occasionally be subject to powdery mildew) and resistant to deer and rabbits. 9 Deadhead spent flowers to promote additional bloom.
Where are Agastache native to?from missouribotanicalgarden.org
Agastache, commonly called giant hyssop, is a genus containing about 30 species of upright herbaceous perennials, most of which are native to North America. Agastache hybrids often have showier flowers and better winter hardiness than species plants.
When does Black Adder Hyssop bloom?from soonerplantfarm.com
Buy Black Adder Hyssop online. Black Adder Hyssop boasts numerous bottlebrush shaped flowers that are bright to dark blue. It blooms from mid-summer to frost on a compact, rounded plant.
Is Agastache hardy in Zone 6?from missouribotanicalgarden.org
Agastache hybrids are typically winter hardy to at least USDA Zone 6. Where winter survival is a potential problem, plants should be sited in protected locations (e.g., southern exposures) with leaf and flower stems being left in place over winter for additional protection.
How to grow agastache?
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. Press seeds gently into loosened soil surface, then moisten them every few days in the fall; if your region gets winter snow this will give them enough moisture to germinate in spring. If your winters are dry, occasional light watering of the seeds will help them to sprout when the spring temperatures warm up.
How to grow agastache from cuttings?
To grow agastache from cuttings, use pruning shears to remove 6 to 8 inch pieces of green stem in late summer or fall. Strip off lower leaves and lightly scrape the exposed stem with a sharp knife. Dip the scraped portion in rooting hormone and place the stems in a small pot containing a sterile mix of perlite and sand. Water gently and cover with a large plastic bag or humidity dome. Check for root growth in 2 to 3 weeks by gently tugging on the stem. Keep the soil slightly moist and remove the cover when new leaves begin to sprout.
What soil do agastaches like?
This desert plant grows best in lean soils with low levels of nutrients. Adding a bit of sand to loamy soils can improve their suitability for growing agastache.
Do Agastache need fertilizer?
Agastache has no need of extra fertilizer but a top dressing of compost in autumn will keep it healthy.
Is Agastache a deer or rabbit resistant?
Agastache is deer and rabbit resistant, and a veritable magnet for bees, butterflies and hummingbirds. It's also a fairly long-blooming perennial, offering vivid color for weeks in summer. It is a close relative of catmint, another pollinator-friendly flowering perennial.
Can agastache be planted in a cottage garden?
For this reason, including agastache in a cottage garden setting means planting it in its own separate section alongside other similar plants that like growing conditions with lean soil. These might includie sedum, bearded irises, Russian sage, and black-eyed susan. Cutting back spent flower spikes will encourage reblooming and more growth during the bloom season.
What is a black adder?from gardenia.net
Giant Hyssop 'Black Adder', Hyssop 'Black Adder', Anise Hyssop 'Black Adder', Hummingbird Mint 'Black Adder' 1 Forms upright clumps up to 2-3 feet tall (60-90 cm) and 18-24 in. wide (45-60 cm), with aromatic, blue-green leaves which exude an anise scent when crushed. 2 Provides a bold visual impact in beds, borders, wildflower gardens, herb gardens, butterfly gardens or prairie gardens over a very long season. 3 Ideal to add color in the late season garden when many other plants are fading. 4 Creates a stunning effect when mixed with other perennials or planted en masse. Perfect for prairie plantings where it will thrive without maintenance. 5 Attracts streams of hummingbirds, butterfliesand other beneficial pollinators. 6 Easily grown in full sun, in average, dry to medium moisture, well-drained soils. Good drainage is particularly important. Prefers alkaline soils, but will tolerate poor, acid conditions. 7 Drought, dry soiland heat tolerant once established. 8 Generallydisease and pest free(might occasionally be subject to powdery mildew) and resistant to deer and rabbits. 9 Deadhead spent flowers to promote additional bloom.
What are the colors of Agastache hybrids?from missouribotanicalgarden.org
Hybrid flowers come in a variety of different flower colors including shades of red, orange, pink, yellow and white . Hybrids typically feature dense terminal spikes of tiny 2-lipped tubular flowers which bloom mid-summer to fall in many-flowered verticillasters (false whorls) atop 2-4’ tall stiff square stems clad with opposite pairs of serrate, fragrant (anise/licorice scented) gray-green to medium green leaves. Flowers are attractive to bees, hummingbirds and butterflies.
Can Agastache survive winter?from missouribotanicalgarden.org
Plants will perform poorly and may not survive winter in hard clay soils that retain moisture. Plants tolerate heat and some dry soils once established. Deadhead spent flowers to promote additional bloom. Agastache hybrids are typically winter hardy to at least USDA Zone 6.
When to add color to late season garden?from gardenia.net
Ideal to add color in the late season garden when many other plants are fading.
Is Agastache hardy in Zone 6?from missouribotanicalgarden.org
Agastache hybrids are typically winter hardy to at least USDA Zone 6. Where winter survival is a potential problem, plants should be sited in protected locations (e.g., southern exposures) with leaf and flower stems being left in place over winter for additional protection.
How tall does Black Adder grow?
'Black Adder' is an upright, clump-forming giant hyssop that grows to 2-3' tall.
What are the colors of Agastache hybrids?
Hybrid flowers come in a variety of different flower colors including shades of red, orange, pink, yellow and white . Hybrids typically feature dense terminal spikes of tiny 2-lipped tubular flowers which bloom mid-summer to fall in many-flowered verticillasters (false whorls) atop 2-4’ tall stiff square stems clad with opposite pairs of serrate, fragrant (anise/licorice scented) gray-green to medium green leaves. Flowers are attractive to bees, hummingbirds and butterflies.
Is Agastache hardy in Zone 6?
Agastache hybrids are typically winter hardy to at least USDA Zone 6. Where winter survival is a potential problem, plants should be sited in protected locations (e.g., southern exposures) with leaf and flower stems being left in place over winter for additional protection.
How to grow Agastache?
Soil: Agastache grows best on fertile, well-drained soils. It likes a soil close to neutral and in areas with acidic soils will benefit from the addition of lime. Spacing: Plant Agastache seeds indoors 4 to 6 weeks before a last frost date. Move plants outdoors when the transplants are at least 4 inches tall.
How to fertilize Agastache?
Fertilizing: Amend the soil before planting Agastache with compost. Additional fertilizer usually isn't needed. In fact, too much fertility will cause the plant to flower less and later, and reduce the essential oils in the leaves and flowers. It also can cause the stems to become floppy and fall over more easily.
How to stop agateach from rotting?
Since Agastache loves well-drained soil, wet, clay soils and areas with lots of winter rains can cause bacteria and fungal growth to rot the plant crown. Prevention is best to stop this rotting. Grow plants on sandy loam soils or build raised beds and bring in the appropriate soil for best growth. ...
How long can Agastache go without water?
Keep the soil moist for germination and seedling growth. Once mature, these mint family plants are tough and can go weeks without watering.
How to keep an agateche from sowing?
If growing Agastache as an annual, keep trimming and deadheading as needed. If you want to prevent Agastache from sowing seeds, which it does rampantly, deadhead before the flower stalks turn brown and the seeds mature and drop to the ground.
When do Agastache flowers bloom?
It sends up flower spikes of purple-to-blue colored flowers from early summer until fall. Newer varieties have a broader range of flower spike colors. Staking: Agastache is a strong-stemmed plant that usually doesn't need staking or support.
Can Agastache be moved?
Agastache is a rampant self-sowing plant. Don't be surprised to see many new seedlings around old plants in spring. Luckily, these seedlings transplant well and can be moved around the garden or weeded out. However, they may not come true to their parent's leaf and flower color, so don't be surprised if the babies look different from the moms.
How tall does Agastache grow?
This easy to grow herb gets woody square stems and may grow up to 3 feet (1 m.) tall. It needs no special attention and is, in fact, fairly self-maintaining once established. Light trimming will keep the plant looking its best. In this article, we will discuss when and how to prune Agastache for the best results and a healthy plant.
How to deadhead anise hyssop?
To deadhead anise hyssop, simply cut off the dead flowering stems. If you wish to force new growth and shape the plant, cut back up to 1/3 of the woody material. Make cuts at a slight angle to force moisture away from the stem. Remove plant material just above a viable bud node.
What is an agate hyssop?
Image by fotomem. Agastache, or anise hyssop, is an aromatic, culinary, cosmetic, and medicinal herb. It has a long history of use and provides a splash of the deepest blue across the perennial garden. Anise hyssop also adds a light licorice scent to the garden patch. This easy to grow herb gets woody square stems and may grow up to 3 feet (1 m.) ...
