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To harvest kale and swiss chard, you’ll use a simple cut-and-come-again method that keeps both plants producing delicious leaves all season long.
This means you don’t pull the whole plant out of the ground when you want a meal.
Instead, you carefully pick outer leaves while leaving the central growing point intact, so the plant keeps pushing out new growth for weeks.
Learning how to harvest kale and swiss chard the right way is the secret to a steady supply of fresh greens from your garden.
In this post, we’ll walk you through exactly when to harvest kale and swiss chard, what tools to use, and the best techniques for each leafy green.
Let’s dig in and get those leaves in your kitchen.
When to Harvest Kale and Swiss Chard
Knowing when to harvest kale and swiss chard is half the battle, and the good news is both are very forgiving crops.
You can start harvesting kale and swiss chard as baby greens when the leaves are just a few inches long.
For mature leaves, wait until they reach about the size of your hand, usually around 6 to 8 inches long.
Harvesting kale and swiss chard in the morning is ideal because the leaves are crisp and full of moisture.
Avoid harvesting in the heat of the afternoon when the leaves can be wilted and less flavorful.
Also, don’t wait too long to harvest kale and swiss chard, because older leaves get tough and bitter.
Instead, keep picking regularly, and the plant will reward you with tender, new leaves.
1. Harvest Kale Before Flowering
Kale changes its flavor profile once it starts to bolt, which is when it sends up a flower stalk.
The leaves become more bitter and fibrous after bolting begins.
So you want to harvest kale before the plant puts energy into flowering.
In cooler spring and fall weather, kale stays sweet and tender for a long time.
In hot summer heat, kale bolts quickly, so you’ll need to harvest kale more frequently to stay ahead of it.
2. Harvest Swiss Chard Year-Round
Swiss chard is a biennial, meaning it produces leaves in its first year and seeds in its second.
You can harvest swiss chard continuously from late spring until the first hard frost.
Even after frost, swiss chard can survive and keep producing in mild climates.
Unlike kale, swiss chard is quite heat tolerant, so you can harvest swiss chard through the summer without worrying about bitterness.
Just keep the plants well-watered, and the stalks will stay crisp and juicy.
How to Harvest Kale the Right Way
The technique for how to harvest kale is straightforward, but it makes a big difference for future growth.
You always want to harvest kale from the bottom up, starting with the oldest, largest outer leaves.
These lower leaves are closest to the ground and are the first to mature.
Leaving the small, tender inner leaves at the top untouched allows the plant to keep photosynthesizing.
This method ensures a continuous harvest of kale for months, not just one sad cutting.
1. Use Clean, Sharp Scissors or Garden Snips
Clean cuts are crucial to prevent disease and damage to the stem.
Snap the leaf near the stem with your fingers.
This can work, but it risks tearing the stem.
Use clean, sharp scissors or garden snips for the best results.
Cut the leaf stem about one inch above the base of the plant.
Avoid cutting into the central growing crown, which is where new leaves emerge.
2. Never Strip the Plant Completely
Resist the urge to grab all the leaves at once, even if it looks tempting.
When you harvest kale, always leave at least half of the leaves on the plant.
This ensures the plant has enough energy to regenerate new growth.
If you strip it bare, the plant may go into shock and stop producing altogether.
Think of it as thinning, not harvesting, so the plant stays healthy and productive.
3. Harvest Baby Kale for Salads
If you love tender, mild greens, you can harvest kale when the leaves are only 2 to 3 inches long.
Simply snip those small leaves at the base, and they’re perfect for fresh salads.
Baby kale is sweeter and less fibrous than mature kale.
And yes, you can harvest kale this way repeatedly, as the plant will replace those baby leaves in a week or two.
How to Harvest Swiss Chard Correctly
How to harvest swiss chard is nearly identical to kale, with just a tiny difference in the cutting point.
Swiss chard has thick, crunchy stalks, and you’ll want to use a sharp knife for the larger ones.
Like kale, you harvest swiss chard by taking outer leaves first.
But you’ll cut the stalk lower down, near the soil line, about 1.5 inches above the ground.
This leaves the inner rosette of leaves to keep producing.
1. Cut, Don’t Rip, the Stalks
Swiss chard stems are thick and fibrous, so ripping them by hand can damage the plant’s crown.
Use a sharp knife and slice cleanly through the stalk at its base.
This prevents unnecessary bruising and allows the cut end to heal quickly.
Avoid cutting too high, as leaving long, bare stubs can rot and invite pests.
2. Remove Damaged Outer Leaves First
When you harvest swiss chard, it’s smart to remove yellowing, torn, or pest-damaged leaves before healthy ones.
This not only cleans up the plant but also frees up energy for new growth.
Dead or damaged leaves can harbor fungal spores and insects.
By removing them, you improve airflow around the plant’s center.
So your harvest and plant health improve in one single cut.
3. Continuous Picking Promotes More Leaves
The more you harvest swiss chard, the more leaves it produces, as long as you don’t overdo it.
Regular harvesting triggers the plant to keep pushing out fresh growth.
If you let the leaves get enormous, the plant slows down production.
So pick a few leaves every few days instead of waiting for a single big harvest swiss chard day.
Storing Your Freshly Harvested Greens
Once you’ve learned how to harvest kale and swiss chard, you need to know how to store them properly.
Both greens are very perishable and lose moisture quickly after being cut.
First, rinse the leaves in cold water to remove any dirt or tiny insects.
Then, dry them thoroughly using a salad spinner or by patting them with paper towels.
Wrap the dry leaves in a slightly damp paper towel and place them in a plastic bag.
Store the bag in the refrigerator’s crisper drawer, and they’ll last up to a week.
For longer storage, you can also blanch and freeze kale and swiss chard for up to six months.
So, How Do You Harvest Kale and Swiss Chard?
You harvest kale and swiss chard by cutting the outermost mature leaves with clean scissors or a knife, leaving the central growing point untouched.
This cut-and-come-again method allows both plants to keep producing new leaves for months on end.
Start picking baby leaves early for salads, and keep harvesting regularly to encourage tender, flavorful growth.
Avoid stripping the plants bare, and always use sharp tools for clean cuts.
Understanding how to harvest kale and swiss chard is truly simple once you get the hang of these basics.
Now you can enjoy a nonstop supply of nutritious greens straight from your own garden.
Happy harvesting, and enjoy every leafy bite.