When To Plant Collard Greens In Maryland

The best time to plant collard greens in Maryland is in late summer to early fall, usually from late July through September.
 
You can also plant collard greens in Maryland in early spring, but the window is shorter because the heat arrives fast.
 
If you’ve been wondering when to plant collard greens in Maryland, the short answer is that fall planting gives you the tastiest, most reliable harvest.
 
Maryland sits in USDA hardiness zones 5b through 8a, so the timing shifts a little depending on whether you’re near the coast or further inland.
 
In this post, we’ll break down the best time to plant collard greens in Maryland, how to time it by region, and a few tips to keep your crop thriving.
 

When to Plant Collard Greens in Maryland

Collard greens in Maryland grow best when the weather is cool, which is why fall planting is the gold standard here.
 

1. Fall Planting: Late July Through September

The ideal time to plant collard greens in Maryland is late summer so they mature in the cool days of autumn.
 
Collard greens take about 60 to 80 days to reach harvest size, so count backward from your first expected frost.
 
Most parts of Maryland see their first frost between mid-October and early November.
 
That means planting collard greens in Maryland around late July to mid-August puts you right on schedule for a fall harvest.
 
In warmer coastal areas near the Chesapeake Bay, you can push collard green planting into early September.
 
 

2. Spring Planting: March Through April

You can plant collard greens in Maryland in spring too, usually from early March through mid-April.
 
The catch is that collard greens bolt quickly once the heat kicks in.
 
So a spring planting of collard greens in Maryland needs to go in as soon as the soil can be worked.
 
If you start too late, your collard greens will turn bitter and go to seed before you get a good harvest.
 
Many Maryland gardeners plant collard greens in early spring for a quick crop, then replant in late summer for a bigger fall haul.
 
 

3. Timing by Maryland Region

When to plant collard greens in Maryland also depends on where you live, since the state has several growing regions.
 
In western Maryland near the mountains, plant collard greens in Maryland by mid-July so they finish before the earliest frost.
 
In central Maryland, including Baltimore and Frederick, late July through August is the sweet spot for planting collard greens.
 
On the Eastern Shore and Southern Maryland, you can plant collard greens as late as early September and still get a solid harvest.
 
 

How to Plant Collard Greens in Maryland

Once you know when to plant collard greens in Maryland, the next step is getting them in the ground the right way.
 

1. Prepare Loose, Rich Soil

Collard greens in Maryland love soil that drains well and holds plenty of organic matter.
 
Mix in compost a few weeks before you plant collard greens so the roots have nutrients to feed on.
 
Aim for a soil pH between 6.0 and 7.5, which suits collard greens perfectly.
 
 

2. Give Them Plenty of Sun

Plant collard greens in Maryland where they’ll get at least six hours of sunlight each day.
 
Fall-planted collard greens appreciate a spot that gets some afternoon shade in late summer.
 
 

3. Space and Water Wisely

Space collard greens about 18 to 24 inches apart so air moves freely between the plants.
 
Water deeply once a week, and keep the soil consistently moist but never soggy.
 
 

Common Mistakes When Planting Collard Greens in Maryland

Even seasoned gardeners slip up when planting collard greens in Maryland, so watch out for these.
 

1. Planting Too Late in Spring

If you plant collard greens in Maryland too late in spring, the summer heat will cause them to bolt.
 
 

2. Ignoring Your First Frost Date

Planting collard greens without checking your local frost date can leave you with tiny, unripe plants.
 
 

3. Skipping Mulch

Mulch helps collard greens in Maryland handle temperature swings and retain moisture.
 
 

So, When to Plant Collard Greens in Maryland?

The best time to plant collard greens in Maryland is in late summer to early fall, from late July through September.
 
You can also plant collard greens in Maryland in early spring, but the fall window gives you the tastiest harvest.
 
Timing your planting by region and giving your collard greens good soil, sun, and water sets you up for success.
 
Hope this post has helped you figure out when to plant collard greens in Maryland.