north star tart cherry

North Star Tart Cherry: A Compact Cold-Hardy Powerhouse for Illinois

North Star tart cherry (Prunus cerasus 'North Star'), a deciduous fruit tree in the Rosaceae family, is a foundational element for Midwest home orchards available at our Mundelein nursery. Developed by the University of Minnesota in 1950, this variety was created by cross-breeding the 'English Morello' and 'Serbian Pie' cherry cultivars. For homeowners in Grayslake or Round Lake looking to add a reliable source of tart fruit and a manageable architectural presence to their properties, this cultivar is a functional choice. Its ability to produce high-density, dark red cherries and its genetic dwarf stature make it a steady performer in any North Suburb garden where functional edible landscaping and space efficiency are the primary goals.

Performance in Northern Illinois Soil

This cultivar is hardy in our Zone 5b climate and is a representative selection for residential backyard orchards throughout the region. While many stone fruits struggle with the heavy, unyielding clay and variable moisture levels found throughout Lake County, the north star tart cherry grows well in it, provided the site is well-drained and the soil is amended with organic matter to improve aeration. It is successful in the open, sun-drenched landscapes of Round Lake, where its root system can anchor firmly in rich, mulched soil. In Grayslake, these trees act as a durable architectural staple, emerging with oval, dark green leaves in the spring that provide a lush, textured canopy throughout the summer months.

Size, Spacing, and Growth Habit

Planning for the mature dimensions and branching nature of this tree ensures it provides the intended fruit yield without requiring excessive maintenance or specialized equipment for harvesting:

• Average Height: As a genetic dwarf, this tree typically reaches 8 to 10 feet tall at maturity.

• Average Width: The canopy spread typically spans 6 to 8 feet wide, maintaining a compact and symmetrical silhouette.

• Growth Rate: It has a moderate growth rate, but because it is naturally small, it reaches its mature production height much faster than standard varieties.

• Growth Habit: The tree features a naturally compact, bushy habit that creates a dense crown. This makes it an effective choice for planting in small garden beds or as a functional hedge in residential landscapes.

• Spacing Requirements: To ensure proper light penetration and airflow—which is a mechanical necessity for fruit ripening—space trees at least 8 to 10 feet apart from center to center. This distance is commonly utilized to prevent the overlapping of branches.

Pollination and Compatibility

Understanding the reproductive requirements of the north star tart cherry is a mechanical necessity for a successful harvest, especially for gardeners with limited square footage.

• Self-Fertility: The North Star cultivar is self-fertile, meaning it can produce fruit using its own pollen. This is a functional advantage for homeowners who only have room for a single fruit tree in their landscape.

• The Pollination Process: Pollen is transferred from the anthers to the stigma within the same flower or between flowers on the same tree, primarily by bees and other native insects. This internal cross-pollination is a functional requirement for the fertilization of the flowers.

• Pollinator Utility: Because it is a heavy bloomer, North Star is commonly used to help pollinate other tart cherry varieties, such as 'Montmorency', provided their bloom times overlap.

• Pollination Synergy: While not required, maintaining a pollinator-friendly environment by planting early-blooming native perennials is a functional strategy to ensure a consistent and heavy fruit set.

Characteristics of North Star Cherries

In the North Suburbs, this fruit tree serves as a source of mid-summer interest and functional landscape support, addressing several specific gardening requirements:

• Harvest Timing: North Star cherries are a mid-to-late season variety. In our Illinois climate, they are commonly harvested in July. The fruit should be picked when the skin has turned a deep, mahogany red.

• Fruit Quality: The fruit is noted for its medium size and distinctively small pit. The skin is a dark, lustrous red, and the flesh is red and juicy. This characteristic is commonly utilized for making deep red pies, preserves, and juices.

• Spring Floral Display: In May, the tree produces a prolific display of white blossoms. This adds a temporary but high-impact ornamental element to the spring landscape.

• Genetic Hardiness: Because it was bred in Minnesota, this variety is commonly considered one of the most cold-hardy tart cherries available, offering high resistance to winter bud damage.

• Sugar Content: While still a tart "pie" cherry, North Star fruit develops a higher sugar content than some other sour varieties when allowed to fully ripen on the tree.

Planting and Maintenance Advice

To ensure your tree remains healthy and produces a prolific amount of fruit each year, follow these straightforward care steps:

• Full Sun Exposure: This is a mechanical necessity for fruit development and sugar accumulation. North star tart cherry requires at least 6 to 8 hours of direct, unobstructed sunlight daily.

• Pruning for Structure: Annual dormant pruning in late winter is a functional necessity. Removing crossing branches and thinning the interior of the canopy allows sunlight and air to reach the center of the tree, which is critical for reducing fungal pressure like leaf spot.

• Soil and Moisture: While adaptable to clay, the tree requires consistent moisture, especially during the fruit-set period. Regular supplemental irrigation at the base of the tree during dry spells is a practical maintenance step.

• Mulching: Maintain a 3-inch layer of organic mulch around the root zone, keeping it several inches away from the trunk. This is a mechanical necessity to retain moisture and regulate soil temperature.

• Bird Protection: As the fruit ripens and turns dark red, birds are commonly attracted to the crop. Using bird netting is a functional strategy to protect your harvest.

Frequently Asked Questions (Lake County Edition)

How long until my North Star tree produces fruit?

Depending on the age of the tree at planting, this genetic dwarf variety typically begins to bear fruit in 2 to 3 years.

Why is North Star recommended for small gardens?

Because it is naturally small and self-fertile, it provides a high yield of fruit within a very compact footprint. It is a functional solution for high-density residential areas where larger trees are impractical.

Visit The Country Bumpkin Garden Center

We are located at the corner of Gilmer Rd & Hawley St in Mundelein. Stop by to see the sturdy structure and experience the potential of a north star tart cherry for your own backyard orchard and find the right fit for your landscape. We are a local resource for gardeners across Mundelein, Grayslake, Round Lake, and the surrounding communities.

Call (847) 566-2176 or Send a Message to check current availability.