The Saskatoon serviceberry is a hardy, deciduous shrub or small tree native to western North America, prized for its ornamental beauty and reliable fruit production. Early spring brings a stunning display of slightly fragrant, white blossoms, making it a beautiful addition to any landscape. Following the flowers, the plant produces an abundance of sweet, purplish-black berries in early summer, which resemble blueberries. Beyond its blooms and fruit, the Saskatoon serviceberry offers excellent year-round interest, including attractive, fine-toothed foliage that turns brilliant shades of gold, red, and orange in the autumn. Highly adaptable and drought-tolerant once established, it is an ideal specimen for hedges, borders, or as a stand-alone feature, thriving in a variety of soil types and full sun to partial shade.

Seed count: 20 seeds

**Growing the Saskatoon Serviceberry is a rewarding experience but takes patience. Please read the growing instructions prior to purchasing.

Saskatoon Serviceberry seeds

SKU: 276645W

USD 2.89

Amelanchier alnifolia
6-12 feet for shrubs

3-5 if being grown for hedges
The versatile Saskatoon Serviceberry is a highly valuable, multi-season plant that can be effectively utilized in the home landscape and kitchen. For landscaping, its natural tendency to sucker and its dense, multi-stemmed growth habit make it an excellent choice for creating unsheared hedges or privacy screens, offering ornamental appeal with its early white spring flowers and beautiful yellow to red fall foliage. When it comes to the fruit, the dark, ripe berries—which taste nutty and sweet, similar to a blend of blueberry and apple—are highly nutritious and can be enjoyed fresh, but are most famously used in various culinary applications. The berries are perfect for making jams, jellies, pies, muffins, and cobblers, and historically, they were a key ingredient in pemmican, a traditional, high-energy food made by Indigenous peoples.
Seed Pre-Treatment: Soaking & Stratification

Black Mulberry seeds typically require a period of cold, moist stratification to mimic natural winter conditions, which signals the seed that it is time to germinate.

A. Soaking Instructions:

Soaking the seeds helps soften the tough outer shell and initiates the germination process.

Soak: Place the cleaned and dried seeds in a container of lukewarm water.

Duration: Let the seeds soak for 24 - 48 hours, replacing the water once or twice during this period. Discard any seeds that float, as they may not be viable.

B. Cold Stratification Instructions

This step is crucial for successful germination.

Prepare Medium: Take a small, clear zip-top bag or a sterile container. Fill it with a handful of a moist, sterile medium like fine sand, vermiculite, or a peat-free seed starting mix. The medium should be damp, but not dripping wet (think of a wrung-out sponge).

Mix Seeds: Mix the soaked seeds into the medium, ensuring they are evenly distributed.

Seal and Label: Seal the bag/container and clearly label it with the date and seed type.

Refrigerate: Place the sealed container in a refrigerator where the temperature remains consistently between 34–40°F (1–4°C).

Duration: The seeds need to stratify for approximately 60 to 90 days (2 to 3 months).

Monitor: Check the seeds every week or two for any signs of mold or drying out. If the medium is drying, mist it lightly with a spray bottle of water. If you see mold, change the medium and the container.

Growing Black Mulberry (Morus nigra) from seed is a rewarding process, though it requires patience and a crucial step called cold stratification to break the seeds' natural dormancy.

Here is a step-by-step guide focusing on the necessary pre-treatment.

1. Seed Collection and Cleaning

The first step is to acquire viable Black Mulberry seeds, either by collecting them from ripe fruit or purchasing them.

Collect Ripe Fruit: Gather dark, ripe, and soft Black Mulberry fruits in late summer/early autumn.

Extract Seeds: Place the fruit in a container of warm water. Gently mash the fruit to release the seeds from the pulp.

Clean Seeds: Use a fine mesh strainer to rinse the seeds under running water, removing all traces of fruit pulp. Pulp can encourage mold and inhibit germination.

Dry: Spread the clean seeds on a paper towel in a well-ventilated area for a day or two to air-dry.

2. Seed Pre-Treatment: Soaking and Stratification

Black Mulberry seeds typically require a period of cold, moist stratification to mimic natural winter conditions, which signals the seed that it is time to germinate.

A. Soaking Instructions (Scarification)

Soaking the seeds helps soften the tough outer shell (a form of scarification) and initiates the germination process.

Soak: Place the cleaned and dried seeds in a container of lukewarm water.

Duration: Let the seeds soak for 24 to 48 hours, replacing the water once or twice during this period. Discard any seeds that float, as they may not be viable.

B. Cold Stratification Instructions

This step is crucial for successful germination.

Prepare Medium: Take a small, clear zip-top bag or a sterile container. Fill it with a handful of a moist, sterile medium like fine sand, vermiculite, or a peat-free seed starting mix. The medium should be damp, but not dripping wet (think of a wrung-out sponge).

Mix Seeds: Mix the soaked seeds into the medium, ensuring they are evenly distributed.

Seal and Label: Seal the bag/container and clearly label it with the date and seed type.

Refrigerate: Place the sealed container in a refrigerator where the temperature remains consistently between 34–40°F (1–4°C).

Duration: The seeds need to stratify for approximately 60 to 90 days (2 to 3 months).

Monitor: Check the seeds every week or two for any signs of mold or drying out. If the medium is drying, mist it lightly with a spray bottle of water. If you see mold, change the medium and the container.

Sowing the Seeds

After the cold stratification period, the seeds are ready to be planted.

Timing: The ideal time to sow the seeds indoors is in late winter or early spring, immediately following the stratification period.

Containers: Use small pots or seed starting trays filled with a well-draining seed starting mix (a mix of compost, sand, and perlite/vermiculite works well).

Planting: Sow the seeds shallowly, about 1/4" - 1/2" inch (6-12 mm) deep, or press them gently onto the surface and cover with a very thin layer of soil.

Watering: Water thoroughly but gently to settle the soil. Keep the soil consistently moist but never waterlogged.

Environment: Place the containers in a warm location with an ideal temperature around 70–85°F (21–29°C). A heat mat can be helpful.

Light: Black Mulberry seeds require light for best germination. Place them under a bright grow light for 12-16 hours a day or in a very sunny windowsill. A humidity dome or clear plastic cover can help maintain moisture until they sprout, but remember to ventilate daily.

Germination: Germination can be erratic, taking anywhere from 2 weeks to 3 months after stratification. Be patient!

Seedling Care

Once your tiny mulberry trees emerge, they need careful attention.

Remove Cover: Once the seedlings sprout, remove the humidity dome (if used).

Light: Continue to provide ample light.

Watering: Keep the soil consistently moist.

Repotting: When seedlings have developed their first set of true leaves (the leaves that look like mulberry leaves, not the initial pair of seed leaves), carefully transplant them into individual, larger pots (3-4" or about 10 cm). Handle them by the leaves, not the delicate stem.

Hardening Off: Before transplanting outdoors, typically after the danger of the last frost has passed, you must harden off the seedlings. This involves gradually introducing them to outdoor conditions over 7-10 days.

Transplanting and Long-Term Care

Transplant Outdoors: Plant your young saplings into a sunny, sheltered spot in the garden when they are at least 1-2 years old and have a good root system.

Soil: They prefer deep, moist, well-drained soil that is slightly acidic (pH 5.5-6.5).

Watering: Water regularly during the first few years, especially during dry spells, to help them establish their deep root system.

Patience: Be prepared for a long wait; mulberry trees grown from seed typically take 5 to 10 years before they start producing fruit.