Clematis Jackmanii Superba (Purple)

Status: In stock

Product ID#: cjsup
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Starting at: $31.99
Product Description
Flower Color Purple
Mature Plant Size (H x W) 8-12' x 3-4'
A wonderful old-fashioned plant, this is the classic Jackmanii Superba Clematis vine you grew up seeing! Beautiful purple flowers from July through September. Plant on a trellis in full sun and get ready for a wonderous summer show. The velvety purple flowers are 5" across in gorgeous masses. Cut it down in the winter back to 12", and it will grow back to 6-8' by fall.
  • Mature Plant Size (H x W) Mature Plant Size (H x W): 8-12' x 3-4'
Planting Care

Planting & Care for Jackmanii Superba Clematis Vines

  • The Jackmanii Superba Clematis vine prefers full sun to partial shade.
  • It grows well in well-drained, medium moisture, and average/normal soil conditions.
  • Can be used as a specimen or trained to climb up structures including a trellis, buildings, fences, porches, lamp posts, and any other permanent structures.
  • The best planting location for the Clematis Jackmanii Superba includes shaded roots and access to full sun for the vines and flowering parts.
Planting Groundcovers/Vines
  • Planting bed should consist of 6-8" of topsoil, well mixed with approximately 2" of peat moss.
Pruning - After Planting
  • Groundcovers/Vines – no pruning is needed right away.
Pruning - Through-out the Season
  • The only pruning these plants need is thinning when they become congested. This is done after flowering.
  • If renovation pruning is needed, cut down the complete plant to within 12 inches of the ground after flowering ever three to four years.
Watering - After Planting
  • Plants typically take approximately 6 weeks to establish new roots in your soil. During this period, water plants as often as every 2-4 days at the start and at least a minimum of once per week.
  • Beyond the 6 week establishment period, water once per week, unless rains occur.
  • 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.
  • Clematis should not be allowed to suffer from lack of moisture, so water plants well during rainless periods if the soil starts to dry out.
  • 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.

Planting & Handling Help

Download our Planting and Handling Guide below to plan for a successful arrival and install of your plants. Be sure to water all plants as soon as they arrive and every day until you’re ready to plant. Keep any bare root bundles in a shady, cool spot with the roots covered at all times.

Learn More

Watch our videos on handling bare root plants, how your order is prepared for shipment and more.

Plant Sizing

What is the difference between Containers, Grow Bags, Bare Root, and Balled & Burlap (B&B)?

Shipping Times

Our FedEx and local shipping times depend on two factors, one is by the region and the second is the type of product being shipped. For example, small fruits are only shipped in spring, but majority of our perennials are shipped from spring until fall. Keep in mind the dates below act as a general guide. Due to unpredictable weather, staffing, inventory and industry demands these timelines can change. Therefore, we cannot guarantee any of these times.


Shipping Dates by Region*


Northern Cold Region: April 22nd - November 7th

Northern Region: April 15th - November 7th

Middle Region: April 1st - November 7th

Southern Region: March 15th - November 7th

Local Delivery (small radius from Waterloo, WI): April 22nd - November 7th


Shipping Dates by Season*


Spring Shipping: Region Start Date (above) - May

Fall Shipping: September - November


Due to unpredictable weather, these times may vary. Some varieties are exceptions due to heat and plant health reasons. Enter your shipping zip code at the top of this page and be sure to check the shipping information on each product before you add it to your cart. If the product is too large or restricted in your state, you will not be able to checkout with that item in your cart.