Table of Contents
Growing asparagus can be a rewarding experience, but it requires proper care throughout the year. This month-by-month maintenance guide will help you keep your asparagus healthy and productive.
January
In January, focus on planning and preparing for the upcoming growing season. If you live in a region with cold winters, ensure your asparagus bed is mulched to protect the crowns from freezing temperatures. Avoid heavy digging during this time to prevent damaging the roots.
February
Continue to protect the crowns with mulch. If the weather begins to warm, start checking for signs of new growth. This is also a good time to order new asparagus crowns if you plan to expand or replace existing plants.
March
As the soil warms, remove mulch gradually to allow the crowns to breathe. Begin fertilizing with a balanced fertilizer to promote healthy growth. Keep the bed free of weeds and debris.
April
April marks the start of active growth. Ensure the asparagus bed receives consistent watering, especially during dry spells. You may see the first spears emerging; harvest should be minimal to allow the plants to mature.
May
Harvest can begin in May, but only pick spears that are 6-8 inches tall. Do not harvest more than 50% of the spears to avoid weakening the plants. Continue watering and fertilizing regularly.
June
Reduce harvesting as the plants shift to their fern stage. Allow the ferns to grow freely, as they help replenish the energy in the crowns. Keep the bed weed-free and water consistently.
July
Let the ferns grow and flourish. Do not harvest during this period. Consider applying a side dressing of compost or fertilizer to support the plant’s energy reserves.
August
Continue to let the ferns grow. Keep the bed moist and free of weeds. This is also a good time to prepare for winter by adding a layer of mulch to protect the roots.
September
Ferns will start to yellow and die back naturally. Do not harvest any new spears. Remove old fern debris and apply a balanced fertilizer to strengthen the crowns for winter.
October
Apply a thick layer of mulch around the asparagus bed to insulate the crowns during winter. Reduce watering as the plant enters dormancy.
November
In November, focus on cleanup. Remove any remaining debris and check the mulch layer. Prepare your tools and plan for next year’s maintenance tasks.
December
During December, avoid disturbing the soil. Protect the crowns with additional mulch if necessary. Use this time to review your care practices and order supplies for the upcoming season.