You can grow asparagus for beginners with just a few simple steps. This vegetable looks tough to grow at first glance. But it ranks among the easiest perennials to establish. Once your bed is set up, you can harvest spears for 15-30 years with minimal effort each season.
Any solid asparagus planting guide will tell you to start with one-year-old crowns instead of seeds. I learned this lesson the hard way when I tried growing from seed in my first garden. Those seed-started plants took four full years before I could harvest a single spear. My crown-planted bed next to it produced harvestable spears in just two years.
Crowns give beginners a massive head start. They arrive with root systems that have stored energy for growth. Seeds need to build everything from scratch. This adds two extra years to your waiting period. For anyone eager to taste homegrown asparagus, crowns are the clear winner.
When starting asparagus garden beds, dig a trench about 6-8 inches (15-20 cm) deep and 12 inches (30 cm) wide. I tested less deep trenches of just 4 inches once. The crowns dried out too fast during hot summers. The deeper trench protects roots and gives them room to expand downward over time.
Space your crowns 18 inches (45 cm) apart within rows and leave 4-5 feet (1.2-1.5 m) between rows. This spacing feels wasteful at first. But mature plants need this room to spread out. I once planted at 12-inch spacing and spent years fighting overcrowded ferns that blocked sunlight from each other.
Pick disease-resistant varieties that match your climate zone. Jersey Knight handles cold winters down to Zone 3 and resists fusarium wilt that kills many older varieties. Gardeners in warm climates can try UC 157, which tolerates heat and produces thick, tender spears. Both varieties are all-male hybrids that put energy into spear production instead of seeds.
Most beginners ruin their asparagus by harvesting too soon. You must let every spear grow into a fern during year one. These ferns feed the crown through photosynthesis. They build the energy reserves that power future harvests. Cutting spears early weakens the plant for years. Anyone new to beginner vegetable gardening needs to resist this urge.
Prepare your soil before planting by mixing in 2-4 inches (5-10 cm) of compost. Check that drainage works well in your chosen spot. Asparagus roots rot fast in soggy soil. Test your site by digging a hole, filling it with water, and watching how fast it drains. If water sits for more than an hour, choose a different spot or build a raised bed instead.
Spread the crown roots out over a small mound of soil at the bottom of your trench. Cover with 2 inches (5 cm) of soil at first. Add more soil as the spears grow taller through the season. By fall, your trench should be filled level with the surrounding ground. This gradual filling helps crowns settle in without stress.
Water your new bed with about 1 inch (2.5 cm) per week if rain falls short. Mulch with straw or wood chips to hold moisture and block weeds. Keep the bed free of grass and weeds that compete for nutrients. Your patience during this setup year pays off with decades of fresh spring spears from a single planting.
Avoid disease-prone heirloom varieties like Mary Washington if you want less work. These older types catch rust and fusarium that can kill your bed over time. Modern hybrids cost a bit more but save you headaches down the road. A $15 investment in good crowns returns hundreds of dollars in produce over their lifespan.
Mark your asparagus bed with stakes so you don't dig into it by accident later. The crowns sit dormant underground during winter and early spring. Many beginners forget where they planted and damage crowns while working the garden in March. A simple marker saves years of regret from a misplaced shovel.
Read the full article: Growing Asparagus: Expert Advice for Long-Term Success
