Grow The Perfect Peppers To Add To The Lunchbox. Great Vibrant Snack size Peppers To Add To Your Children’s Lunchbox As A Sweet Yet Healthy Treat.sowing Indoors Fill A Seed Tray With Moist Seed Compost And Place Seeds Evenly Over The Surface And Cover Them With A Thin Layer Of Compost. Place In A Warm Environment 18 25°c 65 75°f And Keep Soil Moist.growing On Keep Seedlings In A Light Position As They Develop But Away From Direct Sunlight. When Seedlings Have Three To Four Leaves Transplant 5cm 2in Apart Into Trays Of Potting Compost Or Into Individual 9cm 3 ½ In Pots. Grow On In Minimum Temperatures Of 15°c 60f°.re plant Once Again Into Growing Bags