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Purple giant-hyssop (Agastache scrophulariifolia)-i
Purple giant-hyssop (Agastache scrophulariifolia)-i
Purple giant-hyssop (Agastache scrophulariifolia)-i
Purple giant-hyssop (Agastache scrophulariifolia)-i
Purple giant-hyssop (Agastache scrophulariifolia)-i
Purple giant-hyssop (Agastache scrophulariifolia)-i
Purple giant-hyssop (Agastache scrophulariifolia)-i
Purple giant-hyssop (Agastache scrophulariifolia)-i

Purple giant-hyssop

Scientific name
Agastache scrophulariifolia

Basic Information

Lamiaceae Family Agastache Genus Purple giant-hyssop Species
Lamiaceae > Agastache > Agastache scrophulariifolia
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  • Flower
  • Perennial
Height
60cm ~ 120cm
Flower Color
Leaf Color
Anthesis
summer, fall
Sunlight Exposure
Hardiness Zones
4-8
Cold resistance
Good
Heat resistance
Good
Habitat of origin
United States
Growth Rate
Normal

What is Purple giant-hyssop (Agastache scrophulariifolia)?

What is Purple giant-hyssop (Agastache scrophulariifolia)

Purple giant-hyssop, scientifically known as Agastache scrophulariifolia, is a perennial herbaceous plant native to North America. Its tubular flowers bloom vibrantly in dense spikes, drawing bees and butterflies. The fragrant lavender florets avail soothing herbal remedies. This hearty mint appreciates drainage, adapting to both humid summers and arid locales. Self-sowing or division propagates more of the square-stemmed green. Whether massed alongside the walk or mingled in a meadow, its presence graces. The toothed foliage offers a pleasant scent when crushed. As a hardy perennial, it gifts many seasons of pleasure. Provide ample space for the plant to allow its statuesque form to reach its full height. Site with ample sunshine to energize growth and maximize blooms.

DaisyDawn
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Flower meaning

In the United States, Purple giant-hyssop is often associated with - Refinement - Concurrence - Calm For instance, Purple giant-hyssop stands for concurrence. It communicates tranquility and elegance.

DaisyDawn
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Calendar of Purple giant-hyssop (Agastache scrophulariifolia)

Calendar

Purple giant-hyssop typically blossoms from mid to late summer in the U.S. These vibrant purple blooms that add color and beauty to gardens reach peak in August. Blooming transpires once a year, lasting about 4 to 6 weeks. To prolong the blooming cycle, deadhead spent blooms regularly and motivate more flowers. These flowers draw pollinators like bees and butterflies during their season. With care, this plant prospers and blooms luxuriously each season.

DaisyDawn
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How to grow Purple giant-hyssop (Agastache scrophulariifolia)

Watering

For Purple giant-hyssop, watering rate should occasionally be medium, typically weekly while developing. It's vital letting the ground become somewhat arid among waters to stop origin decay. During hibernation in cold months, slow watering to biweekly or if the earth is parched touching. Assure the shrub isn't located in fluid to evade waterlogged states. In scorching, arid areas, raise watering rate somewhat, but regularly check soil wetness grades to impede overwatering.

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Soil and Fertilizer

Purple giant-hyssop flourish in dry ground with a pH ranging 6.0 and 7.5. It favor gritty loam or rich earthy soil matter. Feed in youthful springtime with a balanced plant food, like 10-10-10, obeying the instruction. Dispense fertilizer again in mid-summer to advance continued maturation and blooming. Dodge over-fertilization, because it lead to extra foliage growth at the expenditure of posies. Guard the plant's augmentation and regulate fertilizer request accordingly. Frequently assess the ground value to insure it linger dry and rich. Consider lead a soil examination to decide any lacks that necessity be accosted.

DaisyDawn
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Sunlight and Place

Purple giant-hyssop thrives with direct sunlight daily. It exhibits excellent heat tolerance, suitable for hot climates. It withstands cold temperatures down to Zone 4, making it adaptable to various regions. In winter, good drainage prevents root rot. Optimal temperatures range between 65 to 75°F, ensuring healthy growth. Over summer, regular watering maintains moisture levels. Placing the plant in a sunny location enhances flowering potential. Avoiding shading from nearby plants maximizes sunlight exposure.

DaisyDawn
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Advanced Information of Purple giant-hyssop (Agastache scrophulariifolia)

Pruning

Purple giant-hyssop benefits from regular pruning to maintain its shape, promote new growth, and prevent overcrowding. It is best to prune the plant in early spring before new growth emerges. After pruning, dispose of any debris to prevent the spread of diseases. Regular pruning will help the plant thrive and remain an attractive addition to your garden. Pruning encourages flowering and overall plant health for this plant. Remove damaged or dead stems, cutting them back to the base to promote a bushy growth habit. Apply a balanced fertilizer to support recovery and growth after trimming overly long branches. Consider applying fertilizer to aid recovery after removing long branches. This helps the plant grow bushy and remain attractive in the gardener's yard.

DaisyDawn
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Planting and Harvest

Purple giant-hyssop is ideally grown in a container for convenient care and growth regulation. For container growing, select a pot with drainage holes to avoid excess moisture. Add well-draining potting mix to the container, position the plant in the middle, and cover the roots with soil. After planting, water completely and situate in partial sunlight. Every 2 to 3 years, shift the plant to a larger pot with fresh soil to allow more room for expansion. If the plant turns lanky or congested, think about separating sections in springtime.

DaisyDawn
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Propagation

Purple giant-hyssop have some methods to propagate new plants. First, sow seeds inside in early springtime. Second, separate mature plant root balls into pieces with shoots in the spring or fall. Third, take stem pieces in spring or early summer. Remove bottom leaves, then put in soil that drains well. Leaf pieces can also make new plants if kept moist. Combining more than one way raises the chances of making lots of new plants. Collect mature dry brown seeds. Keep them in a cool, dry area. Check on the plants often to keep the best growing conditions.

DaisyDawn
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Pests and Diseases

Purple giant-hyssop is susceptible to powdery mildew, a fungal disease that appears as a white powdery substance on the leaves. This disease can weaken the plant and reduce its overall health. Spider mites enjoy feeding on the sap from plants. They leave behind yellow speckling on leaves before the leaves fall off the plant completely. Poor drainage and continuously growing the plant in the same area can introduce diseases like Verticillium wilt. This wilt causes the plant to droop and perish.

DaisyDawn
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Habitat of Purple giant-hyssop (Agastache scrophulariifolia)

Habitat

Toxicity of Purple giant-hyssop (Agastache scrophulariifolia)

Health Benefits

edible
Inedible
Toxic
No toxicity

NO DATA

Toxic for dogs and cats

NO DATA

Q&A of Purple giant-hyssop (Agastache scrophulariifolia)

  • How do I successfully germinate and grow purple giant hyssop from seeds?

  • Is there a recommended way to choose?