Plant, bulb, seed, and houseplant retail.
All 6 are Garden Centres & Nurseries.
St Peter Port·Shop
A St Peter Port garden centre, this business focuses on the retail of plants, trees, shrubs, and hedging.
From their website
flowers
Also Garden furniture & sundries · Garden design · Tree supply
Forest·Service·Est. 2010
A Forest plant centre established in 2010, with plant sales to trade and public customers as its main business.
Castel·Shop
✦122-year heritage (1904)
A large garden centre in Castel, this business provides a wide range of plants, bulbs, seeds, and houseplants.
Houseplant supply · Bulb seed supply
Also Garden furniture & sundries · Garden centre · Homeware & home décor
Vale·Shop
A family-owned garden centre, it provides a range of plants, bulbs, seeds, and houseplants for local gardeners.
Bulb seed supply · Houseplant supply
Also Garden furniture & sundries · Topsoil & compost supply · Pet retail & pharmacy
St Peter Port·Attraction·Est. 1974
A family-run plant centre in St Peter Port, established in 1974, with plant sales as a primary activity.
From their website
Plant centre (trees, shrubs, grasses, perennials, exotics, specimen plants)
Also Garden furniture & sundries · Hard landscaping · Garden design
Castel·Shop·Est. 1989
A family-run garden centre in Castel, established in 1989, with plant sales forming a central part of its business.
Other capabilities nearby in the graph — the count is how many businesses do each.