My Journey of Growing Sweet Pepper Plants from Seed

Follow my journey of growing sweet pepper plants in my north-facing garden.

Sweet peppers are one of many vegetables I use regularly as part of my cooking repertoire so I was keen to create my very own farm to table experience by attempting to grow some in my back garden.

Step 1: Picking the sweet pepper variety

I was overwhelmed by the number of sweet pepper varieties to pick from. I eventually decided on the ‘cubanelle’ sweet pepper. I was drawn in by the fact that this sweet pepper variety would deliver a slight hint of heat despite its name.

Cubanelle sweet pepper seeds

According to the seed packet description, a mature ‘cubanelle’ sweet pepper plant can produce peppers with an average length of six to eight inches. These peppers would turn from light green to red when they have fully matured.

Step 2: Sowing and germinating seeds

It was time to take action. I popped a few seeds into each germination tray slot. I used coco coir compost as the growing medium. I read this compost material works quite well with pepper plants due to its well-draining and moisture retention property.

Sweet pepper seed germination tray

Once ready, the seed tray was moved outdoors into the mini greenhouse. The seeds were sowed in early March. It was not quite warm enough yet in London so it was vital to get these seeds some protection from the cooler temperature, especially at night. I read the optimal temperature for sweet pepper seeds to germinate was somewhere between 18 – 21 °C.

Step 3: Transplanting seedlings

Step 4: Caring for sweet pepper plants

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