Clematis x cartmanii ‘Joe’ is a compact, evergreen climber recognized for its profusion of small, star-shaped, pure white flowers with yellow stamens that bloom from March to May. Ideal for containers, patios, or small trellises, this award-winning plant features delicate, fern-like foliage and thrives in sunny, sheltered, well-drained spots.
Proctors Nursery +5
Key Characteristics and Care
- Appearance: A dwarf, evergreen climber with finely cut, deep green, waxy foliage that creates a dense, trailing, or scrambling habit.
- Flowers: Hundreds of 1.5-inch single white flowers appear in early spring (often starting in February or March).
- Size: Generally grows to a height of () with a spread of around ().
- Hardiness: Generally hardy to , but requires protection from harsh winter winds and heavy frost, making it perfect for pots in a conservatory or sheltered patio.
- Conditions: Requires full sun to partial shade and very well-drained, even gritty, soil.
- Maintenance: Belongs to Pruning Group 1, meaning it requires little to no pruning, but can be lightly trimmed after flowering if necessary.
Usage in Landscaping
Due to its non-clinging, trailing nature, “Joe” is often used to cascade over walls, in hanging baskets, or to cover trellises in small gardens. It is a recipient of the Royal Horticultural Society’s Award of Garden Merit.
Due to its non-clinging, trailing nature, “Joe” is often used to cascade over walls, in hanging baskets, or to cover trellises in small gardens. It is a recipient of the Royal Horticultural Society’s Award of Garden Merit.
