The invention relates to a plant growing system having (a) plant life; (b) a super amount of a controlled-release fertilizer to provide season-long performance; and (c) growing media. The planting growing system may also include a moisture control agent or a plant protection agent. Despite the high EC values of the growing system, the combination of materials that make up the growing system nevertheless produces superior performing plants with darker green, healthier-looking leaves; superior growth, fill and spread; more abundant production of flowers and fruits; and a more developed, sustaining root system. Moreover, these plants are far less susceptible to the effects of pests such as fungi (e.g., Fusarium and Rhizoctonia), pythium, caterpillars, thrips, whiteflies, and other pests.