Get Your Sweet Peas to Germinate Get Your Sweet Peas to Germinate

Sweet peas (Lathyrus odoratus) are annual climbing flowering plants, which are mostly grown for its sweet fragrance and bright colors. These helpful tips will ensure that your sweet peas germinate easily.

When to Plant Sweet Peas

Sweet peas need a bit of heat to germinate. Plant the seeds preferably in fall, otherwise in early spring. Plant them either outside in mild winter areas or in cold frames or cold greenhouses in other areas. 

How to Plant Lathyrus Odoratus

Plant sweet peas 1 inch deep in well-drained, compost-rich, and fertile soil. Cover it with newspaper until it germinates to add a little heat.

Sweet Pea Germination Tips  

    Around 75 to 85 % of your sweet pea seeds should germinate, although some varieties with hard coats don’t germinate that easily. Try some of these sweet pea germinating tips to ensure annual flowers:

      • Soak the Sweet Pea seed overnight and only sow the seeds that have swollen
      • Nick the seed’s hard coat by pinching it with nail clippers or gently rubbing it against some sandpaper, on the side away from the seed 'eye'
      • Add an extra layer of newspaper for heat if you plant Sweet Peas in winter.

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