• Theodore Payne Foundation inspires and educates Southern Californians about the beauty and ecological benefits of California native plant landscapes.

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    Heracleum maximum - Cow Parsnip (Seed)

    Heracleum maximum - Cow Parsnip (Seed)

    $7.00

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    • Heracleum maximum - Cow Parsnip (Seed)
      • Heracleum maximum - Cow Parsnip (Seed)

      Heracleum maximum - Cow Parsnip (Seed)

      $7.00 Excl. tax

      PLEASE PLANT RESPONSIBLY Please protect the delicate balance of our native ecosystems by not sowing seeds in parks and nature preserves or wilderness areas.Available in store: Check availability

      Cow parsnip grows naturally at high elevations with other riparian plants such as Cornus sericea (Dogwood) and Salix (Willow). Clumping foliage grows to about 2-3 feet high, with 5-6 foot tall flower clusters.

      Details
      Plant Characteristics
      Species NameHeracleum maximum
      Common NameCow Parsnip
      Plant TypePerennials
      Height by Width5ft. x 5ft.
      Flower ColorWhite, Cream
      Flowering MonthsApril, May, June, July
      Sun ExposureInland-Part Sun
      Water RequirementHigh
      Soil TypeAny
      Sowing SeasonYear Round
      Sowing Difficulty Level*Easy
      * Sowing difficulty levels:
      • Easy: Sow in-ground or in pots with simple or no pretreatment
      • Moderate: Sow in-ground or in pots with pretreatment; may produce staggered germination
      • Difficult: Sow in pots with pretreatment and stratification; may produce staggered germination

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