Photo of Lathyrus odoratus 'Black Knight' flower by Annie's Annuals & Perennials

Photo by Annie's Annuals & Perennials

Used with permission, all rights reserved

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Lathyrus odoratus 'Black Knight'

Also Known As

  • Black Knight Sweet Pea

Plant type

vine, annual / biennial

size

  • H: 5'-6'
  • W: 1'-2'

planting zones

  • 1-11

More Options

Lathyrus odoratus 'Black Knight' plant details

Lathyrus odoratus 'Black Knight' is a broadleaf deciduous annual / biennial vine with blue and green foliage. In spring and summer burgundy flowers emerge. Grows well with sun - mostly sun and even moisture - regular water. Does well in average, rich and well-drained soil.

CHARACTERISTICS OF Lathyrus odoratus 'Black Knight'

Plant type: annual / biennial vine
Plant family: fabaceae
Foliage: deciduous blue and green
Mature size: 1 FT - 2 FT - wide, 5 FT - 6 FT - tall
Flowers: burgundy blooms in spring and summer
Uses: border plant, container plant, cottage garden, cutting garden, easy-to-grow, floriferous, fragrant, heirloom, long-blooming, self-sowing, trellis

GROWING CONDITIONS for Lathyrus odoratus 'Black Knight'

USDA Zones: 1 - 11
Sun exposure: sun - mostly sun
Watering frequency: even moisture - regular
Soil needs: average, rich and well-drained

Nursery contributed plant descriptions

The highly scented maroon flowers glow with a deep, dark splendor. Bred by Eckford, the premier sweet pea breeder in England, in 1898. Seeds poisonous.
Another heirloom Sweet Pea from 1898. The highly scented maroon flowers glow with a deep, dark splendor. 5 - 6' tall.

By: Annie's Annuals & Perennials

Gardening facts about Lathyrus odoratus 'Black Knight' plant

How to Grow Lathyrus odoratus 'Black Knight'

  • Sun Exposure

    • sun - mostly sun
  • Water Needs

    • even moisture - regular
  • Soil Needs

    • average
    • well-drained
    • rich

Features

  • Foliage Color

    • green
    • blue
  • Flower Color

    • burgundy
  • Flower Season

    • spring
    • summer
  • Foliage Season

    • deciduous

See other plant types of Lathyrus for your garden

aka Golden Yellow Pea, Spring Vetchling

Plant Type

Perennial

Zones

5a-10b

Size

Height: 2'-3'

Width: 2'-3'

  • sun - mostly shade
  • even moisture - regular
Photo of Lathyrus aureus flower, foliage by Kurt Stueber
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aka Orobus vernus, Everlasting Sweet Pea, Perennial Sweet Pea, Spring Bitte, Spring Pea, Spring Vetch, Spring Vetchling

Plant Type

Perennial

Zones

5a-9b

Size

Height: 1'-2'

Width: 1'-2'

  • sun - dappled shade
  • even moisture - drought tolerant
Photo of Lathyrus vernus flower by Dancing Oaks Nursery
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More Options

aka Lathyrus vernus f. rosea, Spring Vetch

Plant Type

Perennial

Zones

5a-9b

Size

Height: 6"-12"

Width: 6"-12"

  • sun - mostly sun
  • regular
Photo of Lathyrus vernus f. roseus flower by Dancing Oaks Nursery
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aka Lord Nelson Old Spice Sweet Pea

Plant Type

Vine, Annual / Biennial

Zones

1-12

Size

Height: 4'-6'

Width: 1'-2'

  • sun - mostly sun
  • even moisture - regular
Photo of Lathyrus odoratus 'Lord Nelson' flower by Annie's Annuals & Perennials
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More Options

aka Mrs. Collier Old Spice Sweet Pea

Plant Type

Vine, Annual / Biennial

Zones

1-12

Size

Height: 5'-10'

Width: 1'-10'

  • sun - mostly sun
  • even moisture - regular
Photo of Lathyrus odoratus 'Mrs. Collier' flower by Annie's Annuals & Perennials
View Plant
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