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.- and flowers obscure the foliage for the first two months in bloom. To 12′ tall in short order and then larger.  Allowed to scale a sufficient tree it can clamber up to 20′ tall in no time. Blooms April to October. Large flush of flowers in late spring then sporadic clusters to autumn. Semi-evergreen to deciduous. Blooms on wood from the current season prune before or after blooming. Regular summer water extends the bloom time well into autumn. Sometimes forms yellow berries- not particularly showy but not messy. Full sun to part shade in rich, well drained soil with light summer water. Hardy to 5ºF and not below. Long bloom time makes it an excellent pollinator plant. VERY showy in bloom.

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Sollya heterophylla

Australian blue bell creeper is a tender evergreen vine that we adore for seasonal containers and its long season of bloom. Oblong mid green foliage lines woody twining stems. On wood from the previous season and new wood a continuous display of pendant small sky blue flowers. The clusters are both nestled in the foliage and on the exterior of the plant for a very complete show. Blooms continuously from May to as late as early August. Lozenged shaped blue drupes follow the flowers. A reserved growing vine to 6′ in a single season and branching well. Best in a container with a sturdy support such as a metal obelisk. Cold hardy to about 22ºF – and has great performance on the Oregon coast. Move containerized plants to an unseated garage to protect from temperatures below 20ºF. Most winters it is semi-deciduous no matter the weather, quickly gaining new foliage in spring. The dainty, profuse flowers give this member of the Pittosporum family charm. Very easy to grow. You may cut it almost to the ground in Spring to refresh and definitely apply a handful of all organic fertilizer. This vine can expend the nutrients from a container in a season. Regular H20 speeds new growth which in turn produces new flowers. Native to South Australia where it has escaped as an invasive in other parts of that continent. No problems here. Very pretty.

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Trachelospermum ‘Ogon’

A cute gold leaved form of asian star jasmine that makes a dainty evergreen vine for a trellis or arbor. Dense layered foliage is bright gold/chartruese and is best with some protection from hot afternoon sun. This is a slower growing Star Jasmine  with a smaller dimension over all. This makes it a great candidate for smaller trelliage that you don’t want to obscure or cover entirely. Bone colored lightly fragrant flowers occasionally occur in late spring on wood from the previous season.  To 9′ tall and 3′ wide in 7 years. Rich, well drained soil with regular summer water. Part shade to shade or an open north exposure. May be self clinging in wind free situations. Very very cold hardy and drought tolerant when established. Valuable little vine for shade. Lights up dark corners and even makes a handsome ground cover.

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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. To 10′ tall as a vine. 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. This and all Trachelsospermum asiaticum have two distinct forms of foliage. Juvenile and adult. Juvenile foliage is associated with long trailing and vining material. In wind free, still locations it can rise up as vine and thats when it becomes adult. This plant ONLY BLOOMS ON ADULT foliage. So, that is one reason you seldom see flowers on Asian star jasmine. Over time adult foliage will appear on ground covers. Its less vining and more bushy. Again, until adult foliage forms there will be no flowers.

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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  growth measurably and should be applied for the first few years. Blooms on wood from the current season. Prune before or after blooming. In warmer climates this vine is only a spring bloomer. In our milder summers with cooler overnight lows in summer it spurs Star Jasmine to bloom for all of our summer. Lucky us. Moderate deer resistance. Drought adapted with age. See below- trained as a free standing hedge in Laurelhurst. Kind of cool.

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Trachelospermum jasminoides ‘Madison’

Reputed to be a hardier form of Star Jasmine, we really haven’t witnessed that. It seems just as hardy as the commonly grown clone. But it has several important differences. The large deep green leaves are conspicuously convex and thick. In June to September it alights with tons of ivory colored sweetly fragrant pinwheel shaped flowers. These are slightly smaller but come in such fragrant abundance that it doesn’t seem to matter. Evergreen from the base to the top which is nice. No bare knees. Full sun to quite a bit of shade in rich, well drained soil. Summer water speeds both growth and early establishment. Then light regular summer water. Moderate deer resistance. Twining to 15′ provide support. Fences, pergolas.

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Trachelospermum jasminoides ‘Pink Showers’

Exciting color variant of star jasmine. Soft pink propeller shaped flowers yield the same sweet perfume. Blooms June-August and prefers part shade and protection from hot sun. The intensity of pink in the flowers is more pronounced in cooler conditions as well. Strongly twining evergreen vine with deep green, glossy, undulate (wavy) leaves which are handsome year round. To 10′ tall and 4′ wide in 5 years. Good cold hardiness. Provide strong support. Water heavily after planting and for the first summer. This will speed both establishment and growth and lengthen the bloom season. If it never bloomed (and the flowers are beautiful and fragrant) it would be a top notch evergreen vine on those merits. Excellent recent introduction. See video below (img 6053). Just below the main picture. A really great vine.

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