English Monkshood

×

English Monkshood

bare-root plants
Aconitum napellus 36-40" tall.

Also called Friar’s Cap. Produces a mass of mid- to late-summer blooms with dense showy spikes of dark violet-blue hood-shaped flowers above elegant palmate foliage in late summer. Grand delphinium-style blooms rarely need staking. Forms large clumps in short order. An excellent cutflower—cut when ⅓ to ½ the spike is in bloom. I love watching bumblebees disappear under the hood then clamber out covered in pollen.

The entire plant is poisonous; wear gloves and wash your hands after handling or cutting. Prefers partial shade. Plant 15-20" apart in moist soil. Native to Europe. Z3. (bare-root crowns)

Items from our perennial plants warehouse ordered on or before March 7 will ship around March 26 through late April, starting with warmer areas and finishing in colder areas. Orders placed after March 7 will ship around late April through early-to-mid May, in the order in which they were received.

ships in spring

7654 English Monkshood

A: 3 ea
$14.00
B: 6 ea
$24.50

Additional Information

Herbaceous Perennial Plants

When you receive your order, open the bags and check the stock immediately. Roots and crowns should be firm and pliable. Surface mold is harmless and will not affect the plant’s future performance. Store plants in their packaging in a cool (35–40°) location until you are ready to plant. If it’s going to be awhile, you can pot up your perennials.

Do not plant bare-root perennial plant crowns directly outdoors before danger of frost has passed. Wet and/or cold conditions for an extended period may cause rotting.


Planting Bare-root Perennials

After danger of freezing has passed:
  • Dig a hole 2 or 3 times bigger than the plant stock.
  • Add a little compost if needed.
  • Fan or spread out the roots to encourage root development.
  • Fill hole with soil, pressing out air pockets as you go.
  • Keep the planting area free of weeds.
  • Mulch around the crown with straw or wood chips.
  • Avoid applying mulch directly on top of crowns as they could rot.
  • Mark the location with a plant label.
  • Check your plants daily in the first 2 weeks after planting!

If you cannot plant right away, you have two options:

  1. Store bags of bare-root plants in a dark and cool (35–40Ëš) place.
  2. Pot up plants in well-drained slightly moist potting mix. Avoid coiling the roots in the bottom of undersized containers. Set pots in a protected spot in part-shade until you’re ready to plant.

You must protect your herbaceous perennials from:

  • Freezing
  • Sun-shock in the first 2 weeks
  • Long periods of cold and wet conditions
  • Too much or too little water
  • Absentee gardening!