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An early season blueberry with rave reviews! This vigorous Northern-Southern cross produces a heavy crop of sweet, juicy, berries early in the blueberry season — and, in mild areas, a lighter second crop develops later that same year. Yields up to 15 pounds per plant. Developed in 1999, introduced in 2010. Cold-hardy. First crop ripens in late May to early June. Second crop ripens in August. Self-pollinating.


Bloom Color White
Fruit Color Blue
Fruit Size Large
Pollination Self-pollinating
Ripens/Harvest First Crop Late May Or Early June, Second Crop August
Shade/Sun Partial Shade - Full Sun
Soil Composition Loamy
Soil Moisture Well Drained
Soil pH Level 4.5 - 5.5
Taste Sweet, Juicy
Texture Firm
Years to Bear 2 - 3
Zone Range 4 - 8

Zone Compatibility

This Variety's Zone Range 4 - 8
My Hardiness Zone ?
The USDA hardiness zones offer a guide to varieties that will grow well in certain climates. Each zone corresponds to the minimum winter temperatures experienced in a given area. Make sure that your hardiness zone lies within the zone compatability range of this variety before ordering.

Size & Spacing

Mature Size

When your plant matures, it will be approximately 5 - 6' tall x 3 - 4' wide.

Recommended Spacing

We recommend spacing these plants 4 - 5' apart to ensure room for growth.

Recommended Pollinators

This variety is self pollinating.

In many cases, you may still want to plant pollinating partners to increase the size of your crops, but with self-pollinating varieties doing so is optional. You'll get fruit with only one plant!

Related Assortments

This item is also available in these money saving assortments.

We bundle many of our popular products in assortments with other items that compliment each other. Plus, when you purchase an assortment, you save money compared to buying each item individually!

Tools & Supplies

Having the proper tools and supplies when growing your own can make the difference between a good harvest and a great harvest! Here's a list that our experts recommend for this variety.

Planting & Care

Learn all about how to grow blueberry plants in The Growing Guide. An entire section of our website dedicated to your growing success.

Shipping Information

Estimated Delivery Date

You don't pay until it ships.

We work hard to make sure that your order arrives at the ideal time for planting in your location. That's why we only ship living products during certain times of the year. Order now and your credit card won't be charged until your climate is suitable for planting success and your order is shipped.

Our Promise of Satisfaction

1 Year Warranty

Every order comes with our promise of satisfaction. If you aren't completely satisfied with your order, let us know within one year for a free one-time replacement or refund.


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Questions & Answers

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Browse 3 questions Browse 3 questions and 18 answers
Why did you choose this?
Stark Bro's Store
I purchased one 3 years ago and last year we had delicious blueberries just from one bush
Malgorzata L on Apr 25, 2017
Double crop , potted , & hardy to zone 4 . Stark Bro's quality .
Bruce M on Mar 13, 2017
I purchased one 3 years ago and last year we had delicious blueberries just from one bush
Malgorzata L on Apr 25, 2017
It is going on an apartment balcony so I wanted something that doesn't grow very wide.
Jamal J on Apr 4, 2017
Double crop , potted , & hardy to zone 4 . Stark Bro's quality .
Bruce M on Mar 13, 2017
recommended by relative
Robert S on Mar 12, 2017
I love blueberries and they looked great to me.
Joleen M on Feb 28, 2017
loved the idea of extending the picking time
MARILYN P on May 26, 2016
double harvest
Stanley S on May 18, 2016
I was looking for an early eating berry.
AMY K on May 6, 2016
Needed a large cold hardy blueberry in our northwest Connecticut location and this one seemed to fit the bill.
Ronald J M on Apr 30, 2016
Hardy to my zone, self-pollinating, two harvests per year, and tolerant of partial shade
Timothy M on Apr 20, 2016
I like the idea of May and August crops
Barry M on Apr 5, 2016
Hubby likes blueberries and its self pollinating
Kimberley K on Apr 3, 2016
Very good flavor and good size for a hedge
Linda P on Mar 22, 2016
Two Harvests
Samantha P on Mar 21, 2016
It is going on an apartment balcony so I wanted something that doesn't grow very wide.
Jamal J on Apr 4, 2017
recommended by relative
Robert S on Mar 12, 2017
what color does the foliage turn to in the fall?
Debbie P on Jun 26, 2016
BEST ANSWER: Depending on water/precip, minimal change to dull red in Tennessee. My perspective...

Customer Reviews

3.9 / 5.0
11 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Sweetheart Blueberry
Loaded with berries second year! Great taste! I plan to order more.
September 2, 2016
over 2 years ago
sweetheart blueberry
The plants arrived in great condition and when my notice said they would be coming. They are very healthy plants and are doing well they really are growing The sweetheart blueberry is a very good berry. I would highly recommend this blueberry plant to anyone wishing to grow blueberries.
August 21, 2016
1 year ago
Need more time to evaluate
5 of the 7 plants I bought are leaved out. No berries yet. 1 is struggling and the other is small still but slowly growing. This spring no leaves came on the plants until the first week of May. All my other 100 or so blueberry bush varieties had berries already. I'm in zone 8a. I will be disappointed if I don't get a double crop. I think as they mature they will begin the double crop characteristic. I need more time to watch them to give a more accurate review. A 3 for now, hoping I can change that to a 5 soon.
May 21, 2016
over 2 years ago
Healthy plants
Got them in 2015. They were healthy and I transplanted them into the ground. Our soil is acidic so they like it. No blueberries yet but they are growing and look very healthy. I will mulch them with oak leaves before winter.
August 16, 2016
1 year ago
beautiful blueberries
i love blueberries and i was glad to find a high quality plant like this one i can't wait to get lots of berries from this plant i will definitely be purchasing from Stark bros again in the future
February 25, 2016
While the plants were very nice looking when they arrived, after 2 years I still don't have a plant over 2 feet tall!!!
May 9, 2016
over 2 years ago
Sweetheart Blueberry
This was a gift to my brother and then I got it back because he was unable to care for the plant. I planted it last fall. This spring it was growing well and even had blossoms. It survived a brutal frost and proceeded to develop berries. They were few but had a nice flavor. I would order more for my berry patch.
August 4, 2016
over 2 years ago
Sweetheart Blueberries
They are not thriving in my growing conditions. The Sweethearts are just a few of the 17 plants that I am growing. The others are thriving and producing, the Sweethearts have trouble producing leaves. Am considering giving up on them and using the valuable space that they take up with another variety.
May 15, 2016
over 2 years ago
Doing well
My blueberry bushes seem healthy and are growing......thank you.
May 23, 2016
1 year ago
It took 5 years, but worth the wait
I had just about decided that blueberries just wouldn't grow on my land. Then, for reasons I don't know, this year it was covered in large, sweet berries. Hopefully, it wasn't a one-time fluke. I have another Sweetheart that's just beginning to grow like the first one. Hopefully, I'll have 2 bushes full of berries next year.
August 7, 2016
over 2 years ago
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