Knee-Hi Blend Sweet Pea Seeds

Lathyrus odoratus

The light scent and delicate beauty that delights sweet pea lovers, but with shorter vines needing little or no support. Knee-High Blend offers a symphony of colors to brighten up your garden, short trellis, or hanging basket, to the delight of pollinators. Multiple florets of blossoms that average 1" for excellent cut flower bouquets.Caution: Parts of this plant are toxic if ingested.
$4.49 ~29 seeds
4.0
Rated 4.0 out of 5 stars
3

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Features

Family

Fabaceae

Native

Italy

Life Cycle

Life Cycle

Annual

Plant Height

Plant Height

Vine

Flower Color

Flower Color

Mixed

Bloom Season

Bloom Season

Spring to summer

Further Information

Plant Characteristics

Plant Characteristics

  • Attracts Pollinators
  • Cut Flower
Growing Conditions

Growing Conditions

Frost Tolerant

Plant Resistance

Plant Resistance

Deer Resistant

About Sweet Pea

Lathyrus odoratus

¾"–1¼" flowers. Colors may include purple, red, rose, white, pink, blue, scarlet, cream, salmon. Almost every color except yellow.

Planting Sweet Pea

Plant Spacing

A group of 3 seeds every 6"

Light Required

Light Required

Full sun to part shade

Plant Height

Plant Height

Vine

Planting Depth

Planting Depth

1"

Planting Details

Seed Depth 1"
Seed Spacing A group of 3 seeds every 6"
Thinning When 3" tall, thin to 1 every 6"
Germination 10–21 days
Start Indoors 4 to 6 weeks before your average last frost date.
Direct Sow RECOMMENDED. Cold Climates: 4 to 6 weeks before your average last frost date. Mild Climates: Late fall to early winter for winter bloom. Ideal temperature is 55°–65°F.

Find Your Frost Date & Grow Zone

4.0
Rated 4.0 out of 5 stars
Based on 3 reviews
Total 5 star reviews: 2 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 1 Total 1 star reviews: 0
Rating
Ratings
Which best describes you as a gardener?
Which best describes you as a gardener?
3 reviews
  • Penelope F.
    Verified Buyer
    Rated 2 out of 5 stars
    2/5/26
    Fail in Florida

    I planted these in late Sept. in FL. They germinated well but only grew a few inches and then halted despite water, fertilizer, etc. I think temps were too high but even when it cooled down, they failed to grow. I also planted the mammoth and had even worse results. I do have about four or five that I planted near a pump that are surviving but not thriving.

    Which best describes you as a gardener? Intermediate
    BI Profile picture for Botanical Interests
    Botanical Interests
    2/16/26

    Hey Penelope,

    Thank you so much for taking the time to share your thoughts in a review. I've reached out to you via email to offer assistance. Your feedback is invaluable to us, and we are committed to ensuring your experience is positive. Thank you once again for your input. Keep on growing 🌻️

  • Ellin C H.
    Verified Buyer
    Rated 5 out of 5 stars
    2/8/25
    5 Stars

    I think I started the seeds too soon. They were growing up very nicely. They were 2 inches high. Then we had another freeze, and they are not responding. Now I will be adding some more.

  • John M.
    Verified Buyer
    Rated 5 out of 5 stars
    1/27/25
    5 Stars

    I have been using BI for a number of years and have been pleased with the results

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