Botanical Interests
Illustration of crimson clover cover crop growing densely in a raised wooden garden bed, showing tall spiked crimson-red flower heads and clover-shaped green leaves with a bumblebee visiting one bloom, set against a white picket fence and hedge.
Black and white line drawing of a crimson clover seedling, showing a single taproot, two rounded seed leaves, and a young stem with a small emerging cloverleaf, labeled "Seedling".
Botanical Interests seed packet for Crimson Clover cover crop, illustrated with tall spikes of deep crimson conical flowers and a bee in a raised wooden garden bed against a white picket fence, with text noting it's frost tolerant, heirloom, sown in spring or fall, and fixes nitrogen while attracting beneficial insects.
Close-up of a crimson clover cover crop, showing its elongated, cone-shaped flower head densely packed with tiny red blooms atop a fuzzy green stem, set against a softly blurred green field.
Close-up of crimson clover showing a cone-shaped, fuzzy red flower spike beside large, fuzzy trifoliate green leaves with visible veining, labelled "Cover Crop Crimson Clover" from Botanical Interests.

Crimson Clover Cover Crop Seeds

Trifolium incarnatum

While the names are similar, crimson clover is different than red clover. This annual clover has larger, elongated flower heads with deep red, long-lasting blossoms that invite beneficial insects, such as ladybugs and bees. Like other clovers, crimson clover fixes nitrogen, but it's faster growing for quick benefits to your garden. Crimson clover grows best in cool weather, so grow it as a spring or fall cover crop. For maximum nitrogen, till, mow, or cut back with a weed trimmer at end of bloom and before seeds form. Grows in a variety of soils but does best if soil is well drained. Plants tolerate some shade so you can sow crimson clover in between rows or under tall plants, such as with corn or under fruit trees. A beautiful addition to fill spots in flower beds and borders. Flowers can be harvested and dried to make a delicious tea with a light, refreshing flavor.

$5.99 ~40g (~6,400 seeds)

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4.5
Rated 4.5 out of 5 stars
50

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Features

Family

Family

Fabaceae
Native

Native

Europe, Turkey, Madeira Islands
Life Cycle

Life Cycle

Annual
Plant Height

Plant Height

Tall (Greater than 24")
Flower Color

Flower Color

Red

Further Information

Plant Characteristics

Plant Characteristics

Attracts Beneficial Insects
Growing Conditions

Growing Conditions

Frost Tolerant

About Crimson Clover Cover Crop Seeds

Trifolium incarnatum

Upright plant with a taproot, typical 3-leaflet clover leaf and elongated, 1"-long flower heads with crimson flowers that open in succession from bottom to top. Crimson clover grows best in cool weather. In USDA zones 6 and warmer, it is grown as a winter annual for flowering the following spring. Flowers are produced only under long-day conditions (more than 12 hours of daylight).

Planting Cover Crop

Days to Maturity

Days to Maturity

70–90 days
Plant Spacing

Plant Spacing

Scatter seed about 2" apart
Light Required

Light Required

Full sun to part shade
Plant Height

Plant Height

Tall (Greater than 24")
Planting Depth

Planting Depth

¼"

Coverage & Planting Details

Coverage This packet sows approximately 178 square feet.
Seed Depth ¼"
Seed Spacing Scatter seed about 2" apart
Thinning Not applicable
Germination 7–21 days
Start Indoors Not applicable.
Direct Sow 6 to 8 weeks before your average first fall frost date. Can overwinter in USDA zones 6 and warmer.

Find Your Frost Date & Grow Zone

4.5
Rated 4.5 out of 5 stars
Based on 50 reviews
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50 reviews
  • Maura M. G.
    Verified Buyer
    Rated 1 out of 5 stars
    10/19/26
    Very very few seeds germinated

    I’m very dissatisfied with these cover crop seeds. I followed the directions, planted them in full sun and watered regularly and maybe 10% grew.

    Was this helpful?
    Which best describes you as a gardener? Intermediate
    BI Profile picture for Botanical Interests
    Botanical Interests
    10/20/26

    Hey Maura

    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 🌻️

  • teresa h.
    Verified Buyer
    Rated 5 out of 5 stars
    10/17/26
    Great germination.

    Almost 100 % germination!

    Was this helpful?
    Which best describes you as a gardener? Intermediate
    BI Profile picture for Botanical Interests
    Botanical Interests
    10/17/26

    Hey Teresa,

    That's awesome to hear! We're so glad your Crimson Clover Cover Crop Seeds had such great germination. Thanks so much for being part of our growing community and for sharing your experience. Keep on growing 🌻

  • Tiffanie E.
    Verified Buyer
    Rated 5 out of 5 stars
    8/23/26
    Great

    Great germination. Beautiful red flowers that the pollinators loved. Wild rabbits loved them. Very easy to grow

    Was this helpful?
    Which best describes you as a gardener? Beginner
    BI Profile picture for Botanical Interests
    Botanical Interests
    8/24/26

    Hey Tiffanie,

    We're so stoked to hear that your Crimson Clover Cover Crop Seeds have been such a fantastic success! It's awesome that you got great germination and those beautiful red flowers ended up being such a pollinator magnet. And we love that they were so easy to grow! Thanks so much for being part of the growing community! Keep on growing 🌻

  • Walter B. J.
    Verified Buyer
    Rated 5 out of 5 stars
    6/23/26
    Success

    Germination of the seeds was very successful.

    Was this helpful?
    BI Profile picture for Botanical Interests
    Botanical Interests
    6/24/26

    Hey Walter,

    That's fantastic to hear about the excellent germination on your Crimson Clover Cover Crop Seeds! Crimson clover is such a wonderful cover crop choice, and it sounds like those seeds are off to a great start for you. We love hearing about successful germination - it's always exciting when you see those first signs of life! We hope your crimson clover continues to thrive and provides all the great soil benefits you're looking for. Thanks for sharing your cover crop success with us! Keep on growing 🌻️

  • Ellyse R. R.
    Verified Buyer
    Rated 1 out of 5 stars
    4/30/26
    First time

    It is not sprout

    Was this helpful?
    Which best describes you as a gardener? Beginner
    BI Profile picture for Botanical Interests
    Botanical Interests
    5/7/26

    Hey Ellyse,

    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 🌻️

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