Passaflora x ‘Star of Surbiton’

We’ve tried a lot of Passion Vines and to be honest the majority of hardy varieties are just basically a variation on that old house eating vine ‘Blue Crown Passion’ Vine (Passaflora caeulea). This guy is a surprise though. While it can freeze to the ground below about 20ºF it is evergreen in the majority of normal winters and its an early and heavy blooming vine- that is pretty as well. The white sepals surround a row of light purple filaments. Very delicate and intricate flower that we adore. Plant in a hot sunny aspect with support for its little tough twiners to adhere. And they will as the whole plant rises to 12′ tall in a single season. Blooms on new growth- as its growing it is constantly blooming. Loved my hummers, butterflies, pollinators in general. Mulch the base going into the first winter. Once it is established no arctic blast will affect the roots. Fast re-growth in in spring. Rich, well drained soil with regular summer water to speed growth. Flowers are approximately 4″ wide and very showy. Not a vine for cool shady gardens or arctic cold spaces.

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Fantastic new hybrid Passion vine with impressively huge, spectacular flowers and a more restrained habit. 4″ wide brilliantly colored flowers feature deep blue and purple and white alternating stripes on the row of filaments that encircle the center. The sepals- petal like structure surrounding the flower alternated between white and lavender. To only 8′ tall in a season and remaining compact for all of its life. Happy evergreen vine that climbs by tendrils.- provide support. Small enough to find a long happy life in containers. Rich, well drained soil in full sun and a warm position. Evergreen to about 15ºF- the vast majority of winters. This passion vine has the largest flowers by far of any cold hardy selection. Truly beautiful and impressive. Flowers emit a light sweet scent and we have yet to see fruit produced. Loved by children and adults as well as the occasional butterfly. Blooms on the current seasons growth. Prune whenever you feel like its necessary- rare for this compact and easy vine.

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Rosa ‘Darlow’s Enigma’

Curious climbing rose that puts on a non-stop display of sprays of intensely fragrant flowers that are diminuitive, white, and semi-double. The anise/fruit scented flowers begin in mid-spring and continue unabated until autumn. A large growing rose to 12′ tall and 8′ wide in time. Excellent trained on a trellis or pergola. Blooms on wood from the current season and may be hard pruned in early spring. This rose seedling was discovered in a garden in Eugene and its popularity has spread throughout the globe. The sweet fragrance will perfume an entire garden on a warm summer day. Captivating cut flower. Disease resistant and very tough rose that gets by on a minimum amount of summer water and still blooms. Regular water in rich soil amplifies this roses performance dramatically. Winter deciduous. Extremely cold hardy.

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Solanum (laxum) jasminoides

White Potato Vine is an incredibly floriferous plant. Large and profuse clusters of stunning star shaped flowers are clear white and appear continuously from May to frost and if winter fails to materialize even longer. Semi-tender in our climate it requires protection for the base and rich, well drained soil. Vigorous climber to 12′ in single season. If it freezes the ground- this happens below about 20ºF it can break from the base and regrow quickly. In Portland this happens about every 3-4 years. Climbs by modified leaf petiole and requires substantial support. Personally, I think the best way to grow this everblooming vine is in containers, even window boxes where the plant will become a trailing cloud of white stars for months. Blooms on new wood, it may be pruned at anytime. Mulch the base in fall with compost or leaves and place against a warm wall or in-between close shrubs that will bolster further protection. Loved by bees and bumbles. Regular deep summer water produces the best results. Full sun to very light shade.  Spectacular performance on the Oregon Coast. Native to Chile/Argentina.

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Solanum crispum ‘Glasnevin’

Purple Chilean Potato Vine is a flowering powerhouse. It may be grown as a free standing shrub but its true habit lends it to the treatment of a vine. Fast growing huge canes soar up and then over all the while branching. At the tips dramatic deep purple/blue clusters of flowers each with a yellow central “Beak”. The effect is reminiscent of a hydrangea in form. to 12′ tall quickly. Blooms April to October. Large flush of flowers in late spring then sporadic clusters to autumn. Semi-evergreen to deciduous. Sometimes forms yellow berries. Full sun to part shade in rich, well drained soil with light summer water. Hardy to 5ºF and not below.

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Trachelospermum ‘Ogon’

A cute gold leaved form of asian star jasmine that makes a dainty evergreen vine for trellis. Bone colored lightly fragrant flowers occasionally occur in late spring. To 9′ tall and 3′ wide in 7 years. Rich, well drained soil with regular summer water. Part shade. May be self clinging in wind free situations. Very very cold hardy and drought tolerant when established. Valuable little vine for shade.

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Trachelospermum asiaticum ‘Chirofu Chirimen’

Cool little Asian Star Jasmine with tiny variegated leaves that forms dense mounds as a ground cover or in time it can reach up as a cute and not strangling vine. Each leaf is margined and splashed with white. New growth has distinct pink tints for a distinct multicolor effect. Forms a fine textured plant but as a small scale ground cover it will block weeds. To 1′ tall x 30″ wide as a ground cover. To 8′ tall or higher as a self clinging vine in wind free places. Rich, well drained soil with regular summer water. Definitely double dig the soil before planting to incorporate oxygen as well as assist in absorption of water. Add organic fertilizer as well. Trachelospermums appreciate good drainage and regular summer irrigation to do their best. Otherwise drought tolerant but slow growing. Nice on fences or screens or up the trunk of a Trachycarpus (Windmill Palm). Good deer resistance. Evergreen.

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Trachelospermum asiaticum ‘Red Top’

We’ve grown this excellent small scale groundcover for 20 years and it never fails to find a useful place in gardens. ‘Red Top’ Asian Star Jasmine is named for its bright red new growth which settles down to green with  white veins. Each leaf is very pretty but as the plant mounds up and becomes dense its downright elegant. Thick growing ground cover for full sun to full shade in rich, moisture retentive soil. Takes very dry conditions once it has rooted in a bit. Trailing stems will root as they touch the soil providing erosion control. In wind free places with support it will actually  climb as a vine and become self adhering to any rough surface. We’ve never seen it bloom and it doesn’t have to . Moderate deer resistance. To 10″ tall and 3′ wide as a ground cover. Regular water significantly speeds growth. Good winter appearance. Easy to grow plant.

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Trachelospermum asiaticum ‘Variegatum’

Variegated Asian Star Jasmine.  Excellent evergreen ground cover with playful foliage that looks great year round. Lovely entire leaves are spaced and outlined in cream. Great contrast to the sage green leaf interior. Trailing ground cover (occasionally it can rise up to be a vine- in windfree locations with support) but mainly its value is a year round showy and consistent look. Mounding and trailing it will root into the ground when it feels like it. To 10″ tall and 3′ wide as a ground cover. Full sun to dense shade in rich, well drained soil. But it adapts to harsher sites if given regular water. Excellent under trees, shrubs. Dense enough to discourage weeds. Very cold and drought tolerant. Seldom blooms. Moderate deer resistance.

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Trachelospermum jasminoides

Not a true Jasmine at all but Star Jasmine is a classic summer blooming evergreen vine in our region. One of the most popular vines and rightly so with its clouds of ivory colored propeller shaped sweetly fragrant flowers for all of summer. Twining vine, provide support- easily guided with the help of #4 gauge copper wire. It has the enviable trait of clothing itself to the ground in evergreen foliage- seldom has bare knees. Full sun to quite a bit of shade, including dry shade. To 12′ tall and 4′ wide in 6 years. Cold hardy to the single digits when established. Can be slightly tender when vines are young- hence the myth that it is not hardy. Regular water in summer speeds up growth measurably. Moderate deer resistance. Drought adapted.

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