How to Grow Yucca Plants From Seed

Written by jackie carroll
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How to Grow Yucca Plants From Seed
Yucca flowers bloom on tall, stiff spikes. (Jupiterimages/ Images)

Yucca's large clumps or sword-like foliage add structure to a garden. Use these plants as you would small shrubs. They also make excellent specimen plants. Large spikes of 2-inch white flowers bloom in summer. Plant yucca seeds outdoors in spring when temperatures reach 15.6 to 21.1 degrees Celsius. Choose a sunny location with sharply drained soil. Yucca thrives in sandy soils but also grows well in average soils. It usually takes four to five years for the plant to flower when started from seeds.

Skill level:

Things you need

  • Yucca seeds
  • Glass of water
  • Hand trowel
  • Plant markers or stones
  • Peat pots
  • Seed starting media
  • Tray
  • Large plastic bag
  • Sunny, south-facing window or artificial lighting

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    Direct Sowing

  1. 1

    Soak the yucca seeds in a glass of water for 24 hours to soften the hard outer seed coat.

  2. 2

    Dig a 1-inch deep hole and drop the seed in the hole.

  3. 3

    Cover the seed with soil.

  4. 4

    Water thoroughly.

  5. 5

    Place plant markers or stones to mark the spot where you planted the seeds. Most yucca seeds germinate in a week or two, but some species take much longer and you may forget where you planted the seeds.

    Starting Indoors

  1. 1

    Place the seeds in a glass of water to soak for 24 hours. This softens the hard outer seed coat, making germination easier.

  2. 2

    Fill peat pots with starting media to within 1 1/2 inches of the top. A superior starting media for yucca is a mixture of sand, peat and vermiculite, but any starting media will do.

  3. 3

    Set the peat pots on a tray and moisten the soil with water. Pour off any water that collects in the tray.

  4. 4

    Place a seed in the centre of each peat pot and cover with 1/2 inch of soil.

  5. 5

    Place the tray of peat pots inside a large plastic bag and seal the bag. Place the bag in an area with temperatures between 60 and 70 degrees.

  6. 6

    Remove the bag when seedlings emerge. This usually takes one to two weeks but may take much longer, depending upon the species.

  7. 7

    Place the pots in a sunny window or under artificial lighting.

  8. 8

    Transplant seedlings outdoors in spring when temperatures are above 60 degrees.

Tips and warnings

  • Yucca also grows well in large containers. Use container-grown yuccas on decks, porches and patios.
  • Yucca plants grown from seed take off slowly. Start them early indoors and grow them under lights in fall and winter to get them off to a good start.

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