Sweet Pea "Old Spice Black Knight", 500 Seeds
Sweet Pea "Old Spice Black Knight", 500 Seeds
Sweet Pea "Old Spice Black Knight", 500 Seeds
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Sweet Pea "Old Spice Black Knight", 500 Seeds
Sweet Pea "Old Spice Black Knight", 500 Seeds
Sweet Pea "Old Spice Black Knight", 500 Seeds

Sweet Pea "Old Spice Black Knight", 500 Seeds

Lathyrus odoratus

$85.00
Planters Dozen Discount

Like a good ol'-fashioned baker's dozen! If you have 12 or more quantity in your cart, we'll throw in a FREE seed pack of your choice. 24 or more, you get a 2nd FREE! And so on... Let us know which seeds you'd like in the remarks section at check-out.

Guaranteed Availability

We sell out of stock on nearly all of our flower seeds each shipping season, especially those that are unique varieties or popular colors.

To be sure you get your seeds for the current or upcoming planting season, place your order as early as possible. Orders are prioritized based on order date and will be out the door and on the way to your yard within 48 business hours.

Sweet Pea Lathyrus odoratus "Old Spice Black Knight"

(Lathyrus odoratus)

Why we love this flower:

Uses: Fragrant cut flower, trellises, vintage gardens

Deep maroon and violet petals shimmer with a velvety texture, giving “Black Knight” an air of mystery and classic elegance. A heritage Old Spice variety, it thrives in heat better than most sweet peas, offering rich fragrance and dramatic color for garden displays and bouquets.

PLANT DETAILS

Sweet Pea Lathyrus odoratus "Old Spice Black Knight" (Lathyrus odoratus)

Flower Facts

Zones: Annual

Bloom Time: Spring – Early Summer

Height: 60 – 72 in

Spread: Climbing vine

Cut Flower: Long stems, intensely fragrant

Attraction: Bees, pollinators

Resistance: Heat tolerant

Planting Instructions

Sow indoors 4–6 weeks before last frost or direct sow in early spring

Soak seeds overnight before planting

Germination: 7–14 days

Thin or space 6 in apart; provide support for climbing

Growing Tips

Full sun

Rich, well-drained soil

Water consistently; avoid drought

Harvest regularly to extend bloom

Why Grow Sweet Pea Lathyrus odoratus "Old Spice Black Knight"
‘Black Knight’ brings deep jewel tones and powerful fragrance—a timeless favorite among heirloom sweet peas.

Sharing the Smiles

Jean L.

Naturopathic Physician

I planted 200 cosmos in 3 shades of pinks with some white. Can't wait for Summer!

Joyce Campbell

5th Grade Teacher

Exceptional packaging and fast shipping. Just what I was looking for.

Mona C.

graphic design

Love the site and all the flowers. My deck is going to be filled with pots of color!

Carolyn Parker

Realtor

Love the gift bag of seeds for my clients at closing. Terrific idea!

More Beauties!