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Semences de physocarpe à feuille d'obier
Semences de physocarpe à feuille d'obier
Semences de physocarpe à feuille d'obier
On sale

POS : Eastern Ninebark

Physocarpus opulifolius

$4.50
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Categories: Shrub, Native, Nectar-rich, Deer resistant, Perennial

Native range: ON, QC, NB, NS

For successful seedlings,
see the growing notes at the bottom of the page!

Eastern ninebark (Physocarpus opulifolius) is a graceful native shrub recognized for its arching branches and peeling brown bark that provides unique texture throughout the year. In June and July, it displays clusters of small white flowers with delicate pink accents, creating dense, attractive blooms. This hardy shrub is highly adaptable, tolerating a wide range of soil types, and forms large bushes that are ideal for hedges, borders, or as windbreaks.

Ecological Roles
Eastern ninebark plays an important ecological role by offering habitat and a food source for many pollinating insects drawn to its fragrant summer blooms. In the fall, its fruits provide food for birds and small mammals. This shrub is an excellent choice for naturalistic gardens and ecological landscapes, supporting biodiversity while stabilizing soils with its dense root system.

 

Eastern ninebark seeds require cold stratification to ensure germination. See the growing notes below for more details.

Akène cannot assume any responsibility for the use of plants for therapeutic purposes. Always seek advice from a professional before using a medicinal or edible plant.

Growing Notes | POS : Eastern Ninebark

Eastern ninebark grows well in full sun to part shade, in well-drained soil.

To germinate, the seeds require a 60-day cold and moist stratification period. To do this, simply mix the seeds with a moist substrate (such as vermiculite), place this mixture in a sealed plastic bag, then store it in the refrigerator for about 60 days. This step can also be carried out naturally by outdoor sowing in the fall.

Sow the seeds 3 mm deep, barely covered, in a well-drained substrate. Keep the soil consistently moist without allowing it to dry out. Germination generally occurs within 20 to 30 days, but it may be irregular.

Transplant the seedlings into individual pots when the first true leaves appear, then transfer them into 1-gallon pots in the spring. Grow the young plants in containers throughout their first season before transplanting them into the ground in the fall. Direct outdoor sowing in the fall is also possible to allow for natural stratification, although germination rates may be lower.

Seeds per packet: 100

Family: Rosaceae

Scientific name: Physocarpus opulifolius

Life cycle: Perennial

Hardiness zone: 2

Soil type: Loamy to clayey

Soil moisture level: Dry to slightly humid

Soil - additional attributes: Well-drained

Drought tolerance: Moderate

Light: Sun, part shade

Blooming: June to July

Spacing: 250 cm

Height: 250 cm

Deer resistance: Moderate

Stratification: 60 days

Scarification: No

Germination time: 20 to 30 days

Sowing depth: 3 mm

Reproductive system: Hermaphrodite