Garlic Harvest Season Tips - Can You Get Garlic Earlier?

Episode Overview

• Understanding Garlic’s Life Cycle: This episode explores the developmental stages of garlic and how growers can utilize different parts of the plant throughout the growing season.
• Harvest Timing and Indicators: It explains how to determine when garlic is ready for harvest by observing leaf browning and bulb differentiation.
• Maximizing Crop Value: It highlights how different stages of garlic—green garlic, scapes, fresh garlic, and cured garlic—can be marketed to optimize farm profitability.
• Season Extension Strategies: It discusses the benefits and trade-offs of growing garlic in a high tunnel to achieve an earlier harvest.

Key Concepts

• Determining Harvest Readiness: Garlic readiness is determined by leaf browning rather than a calendar date. When approximately one-third to one-half of the leaves turn brown, growers should pull a few trial bulbs to check for clove differentiation.
• The Risk of Over-Maturing: Leaving garlic in the ground too long can lead to rot, particularly if the outer leaves decay. Since these outer leaves form the protective paper around the bulb, their loss can negatively impact the garlic’s shelf life and storage quality.
• Four Distinct Crops from One Plant: A single garlic planting can yield four separate marketable products:
• Green garlic: Young garlic harvested before bulb formation, similar to a scallion.
• Garlic scapes: The flowering stalks of hardneck varieties, which should be harvested early for tenderness.
• Fresh (wet) garlic: Bulb garlic harvested before the protective paper dries, prized for its high moisture content and mild flavor.
• Cured garlic: The traditional dry bulb garlic, which is cured for long-term storage and winter sales.
• High Tunnel Cultivation: Planting garlic in high tunnels can advance the harvest of all stages by approximately two weeks, allowing growers to be first to market. However, hardneck varieties require a vernalization period (approximately 40 days below 40°F) to bulb properly, which can be inconsistent in the warmer soil of a high tunnel.

Quotes

• At 3:16 - "After about a third to a half of the leaves of your garlic have started to brown, you can start checking the bulbs." - Explaining the primary visual indicator for monitoring garlic maturity.
• At 7:23 - "This is a harder market item, green garlic, than others... but it is sellable. Chefs absolutely love this stuff, and it's a great, great CSA item." - Describing the market viability and culinary appeal of early-stage green garlic.
• At 12:28 - "In order for most hardneck garlic to form a proper bulb, it needs... 40 days under 40 degrees before the spring to achieve that." - Detailing the temperature and vernalization requirements necessary for successful bulb development.

Takeaways

• Monitor Leaf Browning for Harvest: Start checking garlic bulbs for harvest readiness once 30% to 50% of the leaves have turned brown, ensuring the cloves have differentiated but the protective outer papery layers are still intact.
• Harvest Scapes Early for Quality: Snap off garlic scapes as soon as they appear rather than waiting for them to curl tightly; this keeps them tender and redirects the plant’s energy into maximizing bulb size.
• Evaluate Tunnel Space Trade-Offs: When deciding to grow garlic in a high tunnel for an earlier harvest, weigh the premium price of early garlic against the loss of valuable tunnel space needed for high-value spring and summer crops like early tomatoes or cucumbers.