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Petunia - Alderman Blue Petunia nana compacta

Buy Petunia Seeds by the Packet or in Bulk

Unit Size Unit Price Savings Qty
Packet $5.25
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  • Half hardy annual, great for containers
  • Easy to grow pollinator attractor with purple Summer blooms
  • Thrives in bright, sunny growing areas

Product Description

Petunia Seeds - Alderman Blue

Begin the season a week or two early with our Petunia Blue, which pops up earlier than almost anything else! And what’s more, they last longer than most too. Excellent for window boxes, containers, and baskets as well.

  • Fast Facts

    Name:Petunia - Alderman Blue
    Botanical Name:Petunia nana compacta
    Life Cycle:Annual
    Light Requirement:Full Sun
    Planting Season:Spring
    Plant Type:Green stalks with bright purple blooms.
    Features:Open Pollinated, Attracts Pollinators, Attracts Hummingbirds, Deer Resistant, Drought Tolerant, Container Garden, Easy to Grow & Maintain
    Color:Purple
    Blooms:Summer, Late Summer, Early Fall, Fall
    Plant Height:Up to 14 inches
    Plant Spacing:9-12 inches
    Planting Depth:0 inches
    Sowing Method:Start Indoors
    Cold Stratification:No
    Seeds per Packet:350 mg
    Hardiness Zones:1, 2, 3, 4, 5, 6, 7, 8, 9, 10
    Ships:Year Round
  • Planting Instructions

    How to Plant Alderman Blue Petunia

    About Petunia

    An annual that grows up to roughly a foot, Petunias are hardy and offer long lasting blooms in a wide variety of vibrant colors. With a very long flowering period, Petunias can stay in bloom from May until October.

    When to Plant Petunia Seeds

    Sow Petunia flower seeds indoors 10-12 weeks before planting outside. Harden young plants for 10-14 days before planting outdoors after last frost date.

    Where to Plant Petunia Seeds

    Petunias thrive in full sun to partial shade in moderately fertile, humus-rich, moist, well-drained soil. Petunias are perfect to cover a large area in the garden or to cascade from baskets and containers.

    How to Plant Petunia Seeds

    Gently press seeds into soil without covering and keep soil wet. 5-6 weeks after sowing seeds, transplant seedlings into 3" pots and grow in cooler temperatures with plenty of light. Transplant seedlings outdoors after soil warms to about 60 degrees F.

    How to Care for Petunia

    Pinch young seedlings back to encourage branching. Fertilize regularly and deadhead any spent blooms. While Petunias don't have serious insect or disease problems, they are susceptible to root rot and can attract aphids, flea beetles, slugs, and snails.

    Download Printable Planting Guide

  • Seed Coverage

    AmountRecommended Coverage
      
    PacketUp to 80 Sq. Ft
    Ounce PackageUp to 625 Sq. Ft
    1/4 Pound PackageUp to 2,500 Sq. Ft
    1 Pound SackUp to10,000 Sq. Ft
    5 Pound SackUp to 1.3 Acres

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