Polemonium kiushianum | hanashinobu

Regular price: $8.99
Regular price
Sale price: $8.99

Shipping calculated at checkout.

4" pot

order now for FALL 2025 shipping or pickup

Grown from seed in living soil without the use of pesticides, chemicals, or carbon fuels.

Japanese Jacob's Ladder (Polemonium kiushianum) is commonly known in Japan as , Hanashinobu, which translates literally to flowering ball fern. This perennial does indeed have fern-like foliage and large round, pale lilac-blue blooms. Hanashinobu our vigorous and floriferous plants. Our most recent batch germinated in April, grew astonishingly quickly, and began blooming by August.

Sadly, Hanashinobu is rare in cultivation and is endangered in its native range. Yet, it is exceptionally easy to grow in full sun or part shade on well-drained soil.

syn. Polemonium haydenii, 花忍, ポレモニウム

Zone: 4 to 9
Family: Polemoniaceae
Type: Herbaceous Perennial
Height: 12 to 16 in.
Exposure: full sun to part shade
Conditions: cool, moist but well-drained
Bloom Time: June to August
Native Range: Japan

image credits

Agnieszka Kwiecień, Nova, CC BY-SA 4.0, via Wikimedia Commons

Ordering information

Preorders

You may place your order anytime to reserve plants for fall 2025 shipment. If you place multiple orders, we will combine plants into one box (or as many as needed) and any extra shipping charges will be refunded.

We will resume shipping plants as soon as temperatures cool in our location and yours.

We will check in with you a week before shipping to make sure you receive your plants at a time that is convenient for you.

Shipping

Live plants ship in spring and fall only. Plants may ship dormant, depending on variety and season. Shipping costs are most reasonable when bundling like size plants.

4-inch: 1-6 plants ship for $15.00 / 7-13 plants ship for $18.00 / 14-30 plants ship for $40.00
1-gal: 1-2 plants ship for $18.00 / 3-4 plants ship for $25.00 / 5-6 plants ship for $40.00
trees & shrubs: $27.00-$40.00 each, height dependent
seeds: $6.75 or free with orders over $15.00

We regret that we cannot ship internationally or to the following states: AK, AZ, CA, CO, FL, HI, ID, MT, NV, OR, UT, or WA.

Nursery pick up

Plants can be collected from the nursery Monday through Sunday from 10am-4pm in Spring, Summer, and Fall. We prefer 24 hour notice to get your order together and will email you when ready for collection.

Plant Sizes

We most commonly use the following pot sizes for perennials:

4-inch pot: 3.5" H x 3.5" W x 3.5" D
2-quart pot: 6" H x 5.25" W x 5.25" D
1-gallon pot: 6.87" H x 8" Dia (this is a true one gallon pot, not the smaller 'trade' one gallon pot used by many nurseries)

Check out our illustrated pot size guide here.

Representative trees & shrubs are photographed in their pots and posted on each plant page.

Sustainability

Sustainability is at the heart of what we do at The Old Dairy. We grow all of our plants outdoors without the use of chemicals, fertilizers, carbon fuels, or peat.

Many of our perennials are grown in the ground and dug upon order (this is especially true for larger sizes). This practice allows us to grow stronger, healthier plants using native soil, and ultimately reduces our impact on the environment.

Our open-pollinated seeds are collected from plants in our mother beds, which have never been treated with chemicals or sprays of any kind.

Read all about our sustainable practices here.