Succession planting, also known as relay planting or intercropping, is an agricultural technique where vegetable, fruit, or flower crops are planted in quick succession to make the most of available space and time. This practice allows gardeners to harvest a greater yield within a shorter span, increasing efficiency and productivity. By understanding the principles of succession planting and following a few practical examples, even beginner gardeners can master this sustainable and rewarding technique.
To successfully implement succession planting, it's crucial to plan carefully, focusing on crops that mature at different rates and have varied space requirements. Let's explore two main topics and their respective subtopics to provide a comprehensive guide on succession planting.
Planning Your Succession Planting Strategy
Before diving into specific crop examples, let's discuss two primary aspects of planning your succession planting strategy: choosing suitable crops and arranging planting times.
First, select crops that mature within different timeframes. This allows you to plant the next crop after harvesting the first one, maximizing space usage. Second, consider each plant's space requirements to ensure a harmonious and productive garden.
Choose Complementary Crops
Select crops with complementary properties, such as those that improve soil health, deter pests, or benefit each other's growth. Rotating crops also helps minimize the risk of disease and nutrient depletion. Here are some examples of crop combinations:
- Plant leafy greens and root vegetables together, like lettuce or spinach with carrots or radishes.
- Pair nitrogen-fixing plants like beans or peas with heavy feeders like tomatoes, cucumbers, or squash.
- Avoid planting successive crops with the same nutritional demands or that are vulnerable to the same pests or diseases.
Determine Planting Timelines
Develop a planting schedule based on your area's climate and each crop's days to maturity. Ensure you account for any seed-starting time indoors before transplanting outdoors. For example, tomatoes may take 60-80 days to mature, while lettuce can be ready in as few as 45 days. To achieve a continuous harvest, stagger planting times by sowing batches of crops every week or two.
Start by planting fast-maturing crops in early spring, followed by mid-season, then late-season plants as temperatures rise. In fall, plant cool-season vegetables that can withstand frost, such as lettuce, spinach, and peas.
Practical Examples of Succession Planting
Now that you understand the basics of planning, let's dive into four detailed examples of succession planting, focusing on space-efficient and timing-aware pairings.
Interplanting Quick-Growing Greens with Slow-Growing Roots
One popular succession planting strategy involves intercropping slow-growing root vegetables with quick-growing greens between their rows.
- Fast growers: Lettuce, spinach, radishes, green onions, beets, and chard.
- Slow growers: Carrots, parsnips, turnips, and beets with larger root systems.
The quick-growing greens will mature before the root crops, freeing up space for transplanting or direct seeding of other crops, such as tomatoes, peppers, or cucumbers after harvesting the greens.
Planting Successional Crop Ladders for Maximum Yield
Another means of utilizing space effectively is practicing "crop laddering," where you plant tall plants like corn or okra in the center, surrounded by shorter plants like beans and lettuce at varying distances. Once the tall crop has matured, replace it with a cold-hardy vegetable like kale or collards for fall harvest.
Rotation Planting for Pests and Disease Management
To minimize pest and disease issues, rotate plant families annually. For instance, after planting brassicas (like cabbage or broccoli), move on to legumes (beans or peas), then alliums (like garlic or onions), followed by solanaceous crops (such as tomatoes and peppers).
Following the Sun: Seasonal Succession Planting
Take advantage of changes in sunlight and warm temperatures by planting succession crops that thrive in different seasons. For example:
- Early spring: Plant cool-season crops like lettuce, peas, spinach, and onions.
- Late spring to early summer: Replace cool-season plants with warm-season crops such as tomatoes, peppers, and squash as temperatures rise.
- Mid to late summer: After harvesting summer crops, plant fast-maturing crops like lettuce, spinach, and turnips for fall harvest.
Finally, always remember that succession planting is an art as much as a science. Observe your garden's unique conditions, and adapt your strategy accordingly. By continually honing your approach, you'll create a bountiful and sustainable harvest through the growing season.