Bee Orchids

Posted June 10th, 2015 by Marc Cohen
Categories: Cool Growers, Videos

Bee Orchids know how to appeal to bees. In the first video below, a botanist from London’s Natural History Museum explores the elaborate deceptions of these fascinating plants. Also known as Ophrys apifera, Bee Orchids mimic the appearance and pheromones of their namesake bugs to trick them into pollinating their flowers. The video also shows a related species, the Late Spider Orchid, Ophrys fuciflora, which is another insect mimic.

Like many orchids, Bee Orchids attract only one species of pollinator. That may not seem like an efficient strategy, but it helps the plants deliver their pollen to flowers of the same species. The next video shows another Ophrys variety, the False Spider Orchid, which also has great bee-appeal.

To learn more about orchid pollination strategies, check out this great Oxford University Press blog post about orchid deception.

Orchid Care For A Hot Summer

Posted June 5th, 2015 by Marc Cohen
Categories: Fertilizing, Growing, Photos, Warm Growers, Watering

Summer is coming, and it looks like it’s going to be a hot one. Orchids can survive heat waves with some basic care tips. Check these helpful hints when temperatures soar.

  • Give orchids water when they dry out, but be careful not to drown your plants. High humidity is more important than repeated waterings in hot weather.
  • Place plants into shade. Move orchids away from windows and out of direct sun to prevent leaf scorching.
  • Keep humidity levels high. Most orchids can handle increased heat as long as it is matched by increased humidity. Raise humidity by grouping plants together, or placing plants in a humid area, like a bathroom or kitchen. Use a spray mister. Balance flowerpots on pebbles in trays of water, always keeping the pots raised above the water level.
  • Fertilize less in hot weather. In high heat, orchids can’t metabolize plant food.
  • Cool nights help a lot. If temps drop nightly, even cool growers can handle daytime heat waves for a while.
  • If hot weather is a regular feature of your climate, you can still grow orchids. Choose warm growers, like Vandas, Cattleyas, and Spathoglottis, shown in the photos below.
  • Always treat clean water as a valuable resource. Water conservation is an important consideration for all orchid growers.

Vanda orchid flowers and leaves, Foster Botanical Garden, Honolulu, HawaiiCattleya Chan Hsiu Jewel 'Shang Mei', orchid hybrid, Pacific Orchid Expo 2014, San Francisco, California Spathoglottis flowers, pink and yellow orchid hybrid, Foster Botanical Garden, Honolulu, Hawaii

June Orchid Shows

Posted June 1st, 2015 by Marc Cohen
Categories: Botanical Gardens, Events

Orchid shows are happening in every hemisphere, along with other interesting orchid events. The four-day Native Orchid Conference in New Hampshire includes field trips to see wild orchids in the White Mountains. In Southern California, the Orchid Digest Speakers’ Day is a feast of orchid experts, a great show, and dinner, too.

June 1 – 4
Native Orchid Conference, Town & Country Motor Inn, 2 Main St., Gorham, New Hampshire
June 5 – 6
Bruce Peninsula Orchid Festival, Park Visitor Centre, Chi-Sintib’dek Rd. off Hwy. 6, Tobermory, Ontario, Canada
June 5 – 7
San Jose Orchid Exposition, Winchester Mystery House, 525 S. Winchester Blvd., San Jose, California
June 5 – 7
Exposicao Nacional de Orquideas de Catalao, Salao do Crac, Catalao, Goias, Brazil
June 5 – 7
Exposicao Nacional de Orquideas de Vespasiano, Praca de Esportes, Vespasiano, Minas Gerais, Brazil
June 5 – 7
Exposicao Nacional de Orquideas de Porto Feliz, Shopping Porto Miller Boulevard, Rua Ademar de Barros, 345, Porto Feliz, Sao Paulo, Brazil
June 5 – 8
Encuentro y Exposicion de Orquideas, Jardin Botanico Jose Celestino Mutis, Av. 63 No. 68-95, Bogota, Colombia
June 6 – 7
Melbourne Eastern Orchid Society Winter Show, Uniting Church, Burwood Hwy. & Blackburn Rd., Burwood East, Victoria, Australia
June 6 – 7
Southport & Districts Orchid Society Show, Albert Waterways Community Centre, 91 Sunshine Blvd., Broadbeach, Mermaid Waters, Queensland, Australia
June 6 – 7
Camden Haven Orchid Society Show, Laurieton United Services Club, Seymour St., Laurieton, NSW, Australia

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Lepanthopsis – Tiny Orchids With a Long Name

Posted May 28th, 2015 by Marc Cohen
Categories: Growing, Intermediate Growers, Mini Orchids, Photos

Tiny Lepanthopsis astrophora has a name that’s bigger than the plant itself. This miniature orchid species is an eager bloomer, with lots of flowers resembling little purple stars. Fortunately, this small Masdevallia relative is easier to grow than it is to pronounce.

Lepanthopsis astrophora, miniature orchid species, grown indoors in San Francisco, CaliforniaLepanthopsis astrophora, miniature orchid species, grown indoors in San Francisco, CaliforniaLepanthopsis astrophora, miniature orchid species, grown indoors in San Francisco, California

It’s a challenge to get pictures of these mini blossoms, which seem to sparkle in bright light. Each fully formed flower is just 3/16 inch (5 mm) tall. New blooms keep appearing for months, helping this orchid earn its species name, astrophora, which means “star producing.”

Lepanthopsis astrophora flower close up, miniature orchid species, grown indoors in San Francisco, CaliforniaLepanthopsis astrophora flower close up, side view of flower, miniature orchid species, grown indoors in San Francisco, CaliforniaLepanthopsis astrophora flowers, miniature orchid species, grown indoors in Pacifica, California

As a native to coastal rainforests in Venezuela and Colombia, these plants needs daily water, constant high humidity, and good air movement. Don’t be intimidated by the long name — Lepanthopsis astrophora is a great little orchid gem.

Lepanthopsis astrophora flower buds and leaves, miniature orchid species, grown indoors in San Francisco, CaliforniaLepanthopsis astrophora flowers, miniature orchid species, grown indoors in Pacifica, CaliforniaLepanthopsis astrophora flowers, miniature orchid species, grown indoors in San Francisco, California

Flower Power Fights Pests

Posted May 22nd, 2015 by Marc Cohen
Categories: General Gardening, In the News, Photos

What if you could improve the health of your garden by adding more flowers? Washington State University researchers have discovered that Sweet Alyssum attracts lots of beneficial insects. These insects provide natural pest control by hunting bugs which munch on garden greenery. After experimenting with a few types of plants, researchers found that Sweet Alyssum attracted the most beneficials.

Sweet Alyssum, Lobularia maritimaSweet Alyssum flowers close up, Lobularia maritimaSweet Alyssum, Lobularia maritima, growing outdoors in Pacifica, California

Sweet Alyssum is a fragrant Mediterranean native, often grown as a tough, drought-tolerant groundcover. Clusters of tiny flowers emit a strong, sweet honey scent. This annual species is easy to grow, and reseeds readily. In hot climates, it prefers shade, but in cooler climates, it enjoys full sun. Cut the old flowers back to encourage new blooms. I’ve seen many varieties of pink and purple, but white flowers seem to be the most popular.

Attracting beneficial insects is a great non-toxic way to control pests. This and other natural strategies, like using carnivorous plants, can spare you dangerous chemicals, and actually add life to your garden. For those growing orchids outdoors, Sweet Alyssum is a winning addition.

The Yellow Lady’s Slipper, Afoot in Central Park

Posted May 18th, 2015 by Marc Cohen
Categories: Cool Growers, In the News

Much to everybody’s surprise, there’s a rare, native Lady’s Slipper blooming in Central Park. The New York Times reports that a dozen flower buds have been growing over the past few weeks, and they’re starting to open. The plant is the Yellow Lady’s Slipper, also known as Cypripedium parviflorum var. pubescens. This orchid species is native to almost all of the USA and Canada, but increasingly rare. It once bloomed in New York City, but its large, brilliant flowers can’t help but be noticed, and it disappeared long before the skyscrapers arrived. In an attempt to bring it back, Central Park staff had purchased and planted one in the Ramble.

Introduced by woodland managers for the Central Park Conservancy well over a decade ago, the plant was purchased from a reputable grower and planted at a time when the orchids were only beginning to be commercially available. It was then forgotten until it began blooming two years later, to the surprise of both staff and urban ecologists. I imagine the first naturalist to recount this rarest of Manhattan sightings must have been greeted as if he were reporting an alien abduction.

The return of this “ethereal masterwork of nature” to New York City is surprising enough, but its public location is even more so. Despite thousands of park visitors passing the orchid daily, it has not been damaged or dug up, which often seems to be the fate of these beautiful Lady’s Slippers. Please remember that native orchids are endangered, and you should never pick a wild orchid or dig up the plant. It’s illegal, and the trauma almost always kills it.

The Coconut Orchid

Posted May 15th, 2015 by Marc Cohen
Categories: Dormancy, Fertilizing, Fragrant Orchids, Growing, Intermediate Growers, Photos, Watering

Maxillariella tenuifolia, aka Maxillaria tenuifolia, aka Coconut Orchid, fragrant orchid species, red white and yellow flower, Pana'ewa Rainforest Zoo, Hilo, HawaiiMaxillariella tenuifolia, aka Maxillaria tenuifolia, aka Coconut Orchid, fragrant orchid species, red white and yellow flowers and leaves, Kawamoto Orchid Nursery, Honolulu, HawaiiMaxillariella tenuifolia, aka Maxillaria tenuifolia, aka Coconut Orchid, fragrant orchid species, red white and yellow flowers and leaves, grown in San Francisco, California

Whatever the Coconut Orchid lacks in showiness, it makes up with fragrance. This tropical species features brilliant red flowers, but they’re often hidden in the foliage. However, their sweet coconut scent always gives them away.

Maxillariella tenuifolia, aka Maxillaria tenuifolia, aka Coconut Orchid, fragrant orchid species, red white and yellow flowers, grown in San Francisco, CaliforniaMaxillariella tenuifolia, aka Maxillaria tenuifolia, aka Coconut Orchid, fragrant orchid species, red white and yellow flower, grown in San Francisco, CaliforniaMaxillariella tenuifolia, aka Maxillaria tenuifolia, aka Coconut Orchid, fragrant orchid species, red white and yellow flower, long narrow leaves, grown in San Francisco, California

Coconut Orchids are easy to grow, and with their delicious aroma, they are popular choices for orchid lovers. Their deep red flowers can last more than two months. This species is better known by its old name, Maxillaria tenuifolia, than its new name, Maxillariella tenufolia (trust me — there are a few extra letters in the new name.) Whatever it’s called, it’s native to tropical rainforests from Mexico south to Costa Rica.

Maxillariella tenuifolia, aka Maxillaria tenuifolia, aka Coconut Orchid, fragrant orchid species, red white and yellow flower, grown in San Francisco, CaliforniaMaxillariella tenuifolia, aka Maxillaria tenuifolia, aka Coconut Orchid, fragrant orchid species, red white and yellow flower, grown in San Francisco, CaliforniaMaxillariella tenuifolia, aka Maxillaria tenuifolia, aka Coconut Orchid, fragrant orchid species, red white and yellow flowers, long narrow leaves, grown in San Francisco, California

To care for Coconut Orchids, provide morning sun, regular water, fertilizer, high humidity, and winter dormancy. My Coconut Orchid has been a faithful harbinger of spring for over a decade, blooming with dozens of flowers each year. I rely on my nose to know when they’ve opened. I’ll be enjoying their sweet coconut scent until they finish.

Mother’s Day Orchid Care

Posted May 10th, 2015 by Marc Cohen
Categories: Growing, Photos

With brilliant colors and fascinating shapes, orchids have become favorite gifts for Mother’s Day. Don’t worry if you don’t have a green thumb; most orchids don’t deserve their finicky reputations. A few care basics can help you enjoy your tropical flowers for a long time.

Phalaenopsis hybrid, Moth Orchid harlequin pattern, Orchids in the Park 2013, Golden Gate Park, San Francisco, CaliforniaPhalaenopsis flower close up, white Moth Orchid, Orchids in the Park 2013, Golden Gate Park, San Francisco, CaliforniaPhalaenopsis Sogo Berry 'KHM 1219', Moth Orchid hybrid, Orchids in the Park 2013, Golden Gate Park, San Francisco, California

To get the most out of your gift, check these helpful care tips:

Paphiopedilum, Lady Slipper flower, Orchids in the Park 2013, Golden Gate Park, San Francisco, CaliforniaOncidium hybrid, Dancing Lady flowers, Orchids in the Park 2013, Golden Gate Park, San Francisco, CaliforniaCattleya hybrid, Orchids in the Park 2013, Golden Gate Park, San Francisco, California

Orchid Hybrid Vigor

Posted May 5th, 2015 by Marc Cohen
Categories: Buying Tips, Photos

Laeliocattleya hybrid, purple white and yellow flowers, Pacific Orchid Expo 2015, San Francisco, CaliforniaCymbidium hybrid, red white and yellow flowers, Pacific Orchid Expo 2015, San Francisco, CaliforniaAustralian Dendrobium hybrid, white yellow and hot pink flowers, Pacific Orchid Expo 2015, San Francisco, California

Shopping for the perfect Mother’s Day gift? An orchid hybrid is your best bet. Hybrids are crosses between closely related plants. Breeders cross-pollinate different orchid varieties, and then choose the best offspring. Hybrid vigor emerges when the best traits from both parents create tougher descendants. They are often easy to grow and flower, and hardy enough to survive some neglect. Hybrids usually have larger and longer-lasting blooms. With basic orchid care info, they’re as easy as other common houseplants.

Fortunately, most orchids sold today are hybrids. If you buy from a supermarket or home improvement store, you’re almost certainly buying a hybrid. If you buy from a florist or garden center, it’s likely to be a hybrid, but you should always ask if you’re not sure. Orchid species can have finicky care needs, and you wouldn’t want your gift to cause your mother any stress. Tell her not to worry, and that’s it’s easy to care for an orchid with hybrid vigor.

May Orchid Shows

Posted April 30th, 2015 by Marc Cohen
Categories: Botanical Gardens, Events

Orchid shows are one of the best places to learn about orchids. Most shows feature local experts, knowledgable vendors, and orchid society members who are eager to share their love of this amazing plant family. Many events are timed for Mother’s Day celebrations on May 10th.

May 1 – 2
Maclean District Orchid Society Autumn Show, McLean Bowls Club, McLachlan St., Maclean, NSW, Australia
May 1 – 3
Blue Ridge Orchid Society Show, Center in the Square, Advance Auto Parts Atrium, 1 Market St., Roanoke, Virginia
May 1 – 3
Exposicion Nacional de Orquideas Cartago, Centro Comercial Paseo Metropoli, La Lima, Entrada a Cartago, Cartago, Costa Rica
May 1 – 3
North Gauteng Orchid Society Autumn Show, Safari Garden Centre, Pretoria, Gauteng Province, South Africa
May 1 – 3
Rustenburg Orchid Society Autumn Show, Waterfall Garden Centre, Rustenburg, North West Province, South Africa
May 1 – 3
Orchid’en Seine, Jardin des Plantes, 114 ter, av. des Martyrs de la Resistance, 76100 Rouen, France
May 1 – 3
Journees des Orchidees, Jardins du Manoir d’Eyrignac, 24590 Salignac-Eyvigues, France
May 1 – 3
Salon des Orchidees, Salle des Fetes, 37250 Veigne, France
May 1 – 3
Exposicao de Orquideas de Orquidario, Jardim Botanico, Rua Jardim Botanico, 1008, Rio de Janeiro, Brazil
May 1 – 3
Exposicao Nacional de Orquideas de Mogi Guacu, Campo da Lagoa, Jardim Murilo, Mogi Guacu, Sao Paulo, Brazil

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