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Autumn Monkshood

Aconitum carmichaelii 'Arendsii'

Striking blue blossoms open on long flower spikes supported by glossy dark green foliage.

Monkshood are wonderful old-fashioned perennials, perfectly suited for large border plantings. This late-flowering selection has incredible, tall spikes of deep violet-blue, hooded flowers, a total surprise when they appear in mid-autumn. Attractive dark green, glossy foliage. Stems may need to be staked in summer. An outstanding cut flower. Plants prefer a site that will not dry out in summer, away from thirsty tree roots. Easily divided every 3 to 4 years, in early spring. CAUTION: toxic if eaten/harmful via skin.

Characteristics:

Bloom Time:

Blooms late summer to fall

Mature Height:

47-70 Inches

Hardiness Zone:

2-9 Find your zone

Exposure:

Partial Sun,Partial Shade

Features and Usage:

Greenhouse Growing Instructions:

Begin at 48-55°F to promote root growth. Provide high light and allow plants to dry slightly between waterings. Once actively growing move to 60°F, keep evenly moist and fertilize. Plants generally finish in 8-10 weeks based on growing conditions.
Plants Per Gallon: 1
Storage Temperature Prior to Planting: 28
Cooler Humidity Prior to Planting: Low

Transplanting Instructions:

WEAR GLOVES WHEN WORKING WITH ACONITUM AS ALL PARTS ARE POISONOUS. Plant in professional potting soil with the crown just below the soil surface when watered in. Apply a broad spectrum fungicide according to directions to avoid crown and root rot.

Homeowner Planting and Maintenance Tips:

Plant in a rich, moist, well-drained soil in partial sun to partial shade. Tolerates full sun if the soil is moist.

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We have done our best to describe this plant as accurately as possible, however, different climates
and growing conditions in different parts of the country will affect height, bloom time, and color.