How to Plant Snapdragon Seeds

Written by jenny harrington Google
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How to Plant Snapdragon Seeds
Snapdragons bloom throughout the summer. (snapdragon flowers image by mefanti from Fotolia.com)

Snapdragons provide summer-long colour to beds, borders and pots. Available in every colour but true blue, each plant produces spikes of flowers. When pinched, the flower opens and resembles the mouth of a dragon. The flower snaps shut when released. Snapdragons range in height from just a few inches to more than 2 feet tall, depending on the variety. Planting from seed allows you to mass plant these attractive annuals without the need for purchasing seedlings in large quantities.

Skill level:
Easy

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Things you need

  • Flat
  • Potting mix
  • Vermiculite
  • Cling film
  • Soluble fertiliser

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Instructions

  1. 1

    Fill a seed-starting flat with a sterile, well-drained potting mix. Water the mix until it is evenly moist throughout.

  2. 2

    Sow the snapdragon seeds on the soil surface in rows. Plant approximately two seeds per inch and space rows 2 inches apart. Cover the seeds with a 1/8-inch layer of vermiculite or potting mix. Vermiculite is a fine-textured, lightweight mineral readily available at garden centres.

  3. 3

    Cover the flat with a sheet of cling film. Set the flat in a warm, 65-degree Fahrenheit room to germinate. Some snapdragon varieties need light to germinate, which is indicated on the seed packet.

  4. 4

    Remove the plastic once seedlings emerge, approximately five to 10 days after sowing. Move the flats to an area that receives full sunlight.

  5. 5

    Water the potting mix when the surface begins to feel dry. Apply a balanced, soluble fertiliser at half the label recommended amount every two to three weeks.

Tips and warnings

  • Start snapdragon seeds indoors 10 weeks before the last expected spring frost in your area. Transplant outside after all frost danger is past.
  • Transplant the seedlings to individual pots or cell packs when they are 2 to 3 inches tall.

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