Planting Instructions for Alyssum Seeds

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Alyssum Planting and Care Guide

Quick Facts About Alyssum

Alyssum is a fast growing annual that forms a carpet of flowers. It has a sweet smell similar to honey that attracts bees, butterflies, hummingbirds, and other pollinators. Alyssum works well in pots or windowboxes or as a groundcover and has blooms in shades of white, pink, red, violet, yellow, and lilac.

Planting Time

Alyssum seeds can be directly planted in the flower bed in the spring once the soil has warmed and frosts are no longer expected. Or, start the flower seeds indoors 6 - 8 weeks prior to the end of frost season.

Planting Location

A sunny location is best for Alyssum plants, but some afternoon shade would be good for hot climates. The soil should drain well and be kept moderately moist.

How to Plant Alyssum

  • Start flower seeds indoors in starter trays
  • Press the seed into the soil but do not cover
  • Light is needed for germination
  • Keep trays moist and warm for germination
  • Harden off seedlings and transplant outdoors
  • Or, work the garden soil 6 - 8 inches in depth
  • Add organic material to improve drainage
  • Directly sow the seeds and keep the area moist
  • Thin plants to 6 - 8 inches apart

Care And Maintenance

  • Alyssum plants do not like to be kept too wet
  • Water about 1 inch each week - possibly more it it's exceptionally hot
  • If the plants are in containers, give a water soluable fertilizer every few weeks
  • Deadhead to regenerate the plant and encourage continued blooms
  • Alyssum plants will self-sow
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