· from seed to harvest, cucumbers grow through seven distinct growth stages. Germination, seedling, vegetative, floral, fruit formation, and harvest. I promise this complete cucumber plant growth stages guide will demystify the entire process for you. · understanding the life cycle of your cucumber plant is the single most powerful tool you can have for a successful season. · understanding cucumber plant stages , varieties, and their time to maturity will help you choose your favorites and plan your planting so you can harvest the amount you need at the right time. Germination, seedling development, leaf and vine growth, flower bud formation, small cucumber development, and full-sized cucumbers ready for picking. · the cucumber life cycle has six main stages: Most cucumber varieties are ready for harvest between 50-70 days after seed germination. Lets go over all of the cucumber plant stages , from seed to harvest. · its important to know how to plant and care for your cucumber plants. It transforms you from a passive observer into a confident, proactive gardener. · this cycle consists of six stages : Learn all about cucumber growth stages.