Northblue Bluberry

Product Code: bnorb

Blueberry 'Northblue'
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Details

The Northblue Blueberry produces plump, firm, navy blue fruit that has a wild blueberry flavor with a pleasing sugar to acid ratio. This edible plant work well for fresh eating and processing. Self-fertile, but will yield better when pollinated with 'Northcountry'. Lovely bright red fall color in the landscape. Mature size is around 18-30" tall and wide. Hardiness zone 4.

Planting & Care for Edible Plants – Blueberries

Preparation

  • Space bushes about 5 feet apart.
  • Blueberry bushes like full sun!
  • Apply fertilizer one month after planting, not at time of planting.
  • Blueberries are picky about soil. They require one that is acidic, high in organic matter, and well-drained yet moist.
  • Your pH level should ideally be between 4 and 5. If you’re not sure how to test your soil contact your local UW Extension for help.

Opening Plant Material

  • Containers - Completely saturate all container plants by putting in a larger container of water until stops bubbling, remove. Once this is done you’re not ready to plant.

Planting Containers

  • Dig a hole at about 20 inches deep and 18 inches wide.
  • Space bushes about 5 feet apart.
  • Slide plant from pot by tapping on the bottom of the pot.
  • With shovel or knife trim bottom 2" off of the root ball for plants in plastic containers.
  • Rotate the plant to the proper position. Never lift or move plants by the tops.
  • Place the root ball in the hole.
  • Back-fill the hole with soil, making sure the top of the root ball is visible and slightly higher than the soil around it.
  • Firm the soil around the plant. Water well to settle soil around the root ball.
  • Mulch to keep shallow blueberry root systems moist, which is essential. Apply a 2-4 inch layer of woodchips, saw dust or pine needles after planting.

Pruning – After Planting

  • Although it is not essential for container plants to be pruned after planting, a light pruning to remove any broken branches during shipment and improve shape will help the looks of your new planting.
  • Do not allow the bush to produce fruit for the first couple of years. Pinch back blossoms, this will help to stimulate growth.

Pruning - Through-out the Season

  • For the first four years after planting, there is no need to prune blueberry bushes. From then on, pruning is needed to stimulate growth of the new shoots that will bear fruit the following season.
  • Prune plants in late winter, preferably just before growth begins.
  • Weak or badly diseased canes should be removed entirely.

Harvesting

  • Blueberries will be ready for picking in late July-mid August.
  • Don’t rush to pick the berries as soon as they turn blue. Wait a couple days. When they are ready, they should fall off right into your hand.
  • Be aware that full production is reached after about 6 years.

Watering - After Planting

  • Plants typically take approximately 6 weeks to establish new roots in your soil. During this period, supply one to two inches of water per week for about the first two years. If enough rainfall occurs then you won’t need to worry about watering.
  • It’s smart to get a rain gauge to see where your water levels are.
  • Stick your finger into the soil around 3” to check soil moisture.

Watering - Through-out the Season

  • After the first season, plants should only be watered during extended periods without rain.
  • How do you know if your plants need water? The easiest way to tell is to touch the soil around the roots. If it is moist, there is no need to water. If it is dry, give it a good soaking with the hose end (no nozzle) watering the soil only, not the leaves.
  • Stick your finger into the soil around 3” to check soil moisture.

 

Go to our "Plant Features & Video Tab" for more information & tips on caring and maintaining this plant.

Handling & Planting Guidelines

Special Features & Videos for Blueberries

Special Plant Features & Tips

  • The Northblue Blueberry produces plump, firm, navy blue fruit that has a wild blueberry flavor with a pleasing sugar to acid ratio.
  • This edible plant work well for fresh eating and processing. Self-fertile, but will yield better when pollinated with 'Northcountry'.
  • Lovely bright red fall color in the landscape.
  • Mature size is around 18-30" tall and wide.
  • Hardiness zone 4. 
  • Mulch to keep shallow blueberry root systems moist, which is essential. Apply a 2-4 inch layer of woodchips, saw dust or pine needles after planting.
  • Do not allow the bush to produce fruit for the first couple of years. Pinch back blossoms, this will help to stimulate growth.
  • For the first four years after planting, there is no need to prune blueberry bushes. From then on, pruning is needed to stimulate growth of the new shoots that will bear fruit the following season.
  • Prune plants in late winter, preferably just before growth begins.
  • Weak or badly diseased canes should be removed entirely.
  • Blueberries will be ready for picking in late July-mid August.
  • Don’t rush to pick the berries as soon as they turn blue. Wait a couple days. When they are ready, they should fall off right into your hand.
  • Be aware that full production is reached after about 6 years.

How to plant containers

Popular Sizes
ItemApprox. Weight (lbs.)Approx. Base DiameterApprox. HeightShipping Method
#1 Container  10 8" 10" FedEx
#3 Container/Grow Bag 25 10" 15" FedEx
2' - 5' Bare Root 5 - 35 5 - 15" 2 - 5' FedEx
Containers/Grow Bags
ItemApprox. Weight (lbs.)Approx. Base DiameterApprox. HeightShipping Method
#1 Container  10 8" 10" FedEx
#2 Container 15 12" 12" FedEx
#3 Container/Grow Bag 25 10" 15" FedEx
#5 Container/Grow Bag 40 14" 10" McKay Delivery*
#7 Container/Grow Bag 35 - 50 14 - 16" 1 - 2' McKay Delivery*
#10 Container/Grow Bag 55 - 70 18" 1 - 3' McKay Delivery*
#15 Container/Grow Bag 65 - 80 22" 2 - 3' McKay Delivery*
#20 Container/Grow Bag 100 - 160 24" 7 McKay Delivery*
#25 Container/Grow Bag 130 - 200 24 - 30" 8' McKay Delivery*
Bare Root
ItemApprox. Weight (lbs.)Approx. Base DiameterApprox. HeightShipping Method
#1 Bare Root 5 5 - 8" (no soil on roots) 5 - 10" FedEx
12" Bare Root 5 - 10 5" (no soil on roots) 10 - 12" FedEx
15" Bare Root 8 - 10 10 - 12" (no soil on roots) 12 - 15" FedEx
18" Bare Root 10 - 15 10 - 15" (no soil on roots) 15 - 18" FedEx
2' Bare Root 15 12" (no soil on roots) 2' FedEx
3' Bare Root 20 15" (no soil on roots) 3' FedEx
4' Bare Root 25 18" (no soil on roots) 4' FedEx
5' Bare Root 30 20" (no soil on roots) 5' FedEx
6' Bare Root 35 22" (no soil on roots) 6' McKay Delivery*
8' Bare Root 40 22 - 24" (no soil on roots) 8' McKay Delivery*
9' Bare Root 45 24 - 30" (no soil on roots) 9' McKay Delivery*
1 3/4" caliper Bare Root 50 30" (no soil on roots) 5 - 6' McKay Delivery*
1 1/4" caliper Bare Root 55 32" (no soil on roots) 8 - 11' McKay Delivery*
1 1/2" caliper Bare Root 60 32" (no soil on roots) 10 - 12' McKay Delivery*
2 1/2" caliper Bare Root 65 32 - 35" (no soil on roots) 10 - 16' McKay Delivery*
Balled & Burlap (B&B)
ItemApprox. Weight (lbs.)Approx. Base DiameterApprox. HeightShipping Method
2' tall B&B 50 12 - 16" 2'  McKay Delivery*
3' tall B&B 60 - 250 22 - 24" 4' McKay Delivery*
4' tall B&B 250 22 - 24"  5' McKay Delivery*
5' tall B&B 325 16 - 24" 5' McKay Delivery*
6' tall B&B 150 - 325 24 - 30"  6' McKay Delivery*
7' tall B&B 500 - 700 30"  7' McKay Delivery*
8' tall B&B 600 - 700 30 - 32" 8' McKay Delivery*
9' tall B&B 700 30 - 35" 9' McKay Delivery*
1 1/4" caliper B&B 250 - 700 22" - 28" 8 - 11' McKay Delivery*
1 1/2" caliper B&B 350 - 600 24" - 30"  10 - 12' McKay Delivery*
2" caliper B&B 600 - 700 28" - 32"  10 - 14' McKay Delivery*
2 1/2" caliper B&B 700 - 1,000 30" - 36" 10 - 16' McKay Delivery*
3" caliper B&B 850 - 1,200 34" - 38" 12 - 18' McKay Delivery*
3 1/2" caliper B&B 1,000 - 1,200 36"  3' McKay Delivery*

*McKay Delivery - This shipping method can only be used when your delivery address is within 60 miles of Waterloo, Wisconsin. McKay will hand delivery your nursery stock. We can delivey any size, but typically this shipping method is used for oversize items that FedEx cannot ship.

Growing Zones: 3-8

Bloom Time: May
Color: Blue, Green, Red, White
Plant Size: 18-30" tall x 18-30" wide
Flower Color: White
Fall Color: Red
Fruit: Blue
Sunlight: Full Sun
Soil Conditions: Normal, Sandy, Clay, Acidic, Wet
Low Maintenance: No
Deer Resistant: No
Attracts Butterflies: No
Attracts Bees: Yes
Attracts Birds: Yes
Edible: Yes
Native: No

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