These DIY Pea Trellis Ideas are functional and easy to make and can improve the productivity of your peas.. Whether you plant peas on the ground or in containers, they need support to grow You can use stakes and trellises or repurpose spare tomato cages for this purpose. 12 Functional DIY Pea Trellis Ideas - Balcony Garden Web Please note: You are currently browsing img diy garden trellis ideas trash backwards blog that is 3240x4320px in size. This image is listed in landscaping trellis ideas category. 12 Functional DIY Pea Trellis Ideas Balcony Garden Web, 3240x4320 in 4,741.06 KB.