The ubiquitous orchid: A pandemic project with surprises

Beth Harpaz

AP – Not so long ago, orchids were regarded as rare and exotic. But these days, thanks to new propagation techniques, certain varieties are mass-produced. Moth orchids, gorgeous but common, with sweet patterned faces, are widely sold by supermarkets and other retailers.

In fact, orchids are now “the most popular blooming florist crop in the world”, New York Botanical Garden Senior Orchid Curator Marc Hachadourian said.

“Not only are they beautiful, now bred in a rainbow of colours and patterns, they are ideal for the home and the blooms are long lasting.”

Indeed, orchid flowers can last for weeks. With so many of us stuck at home these days, they offer an easy, inexpensive way to brighten up a room.

Once the flowers die, it might be tempting to toss the plant. But you can get that USD10 orchid to bloom again. In fact, coaxing an orchid to rebloom is a great pandemic project. There’s just one catch: The pandemic might be over by the time you succeed.

Pots of Phalaenopsis orchids at one of Hong Kong’s largest orchid farms and; once the flowers on an orchid die, though it’s tempting to toss the plant, that orchid can bloom again. PHOTOS: AP

“Most of the orchids available for purchase bloom once a year,” said orchid curator Blanche Wagner of the Missouri Botanical Garden, which has a world-renowned orchid collection that dates to the late 19th Century. “It takes an amazing amount of energy to produce their blooms, and they need a full year to build up enough energy to flower again.”

She suggests putting a date-of-purchase tag on your orchids to keep your timetable for
reblooming realistic.

And don’t neglect them just because they’re not in bloom. After the flowers die “is the most important time to care for your plants, making sure they get the best available light, water and fertiliser to make sure they grow their best before flowering again”, said Hachadourian, author of Orchid Modern: Living and Designing with the World’s Most Elegant Houseplants.

Orchids grow wild in rainforests, so they prefer warm, humid environments. Morning sun is best, said Kenya Friend-Daniel, speaking on behalf of the plants and flowers team at Trader Joe’s, which sells orchids. But avoid direct sunlight, which “can sunburn the plants’ leaves and burn the bloom”.

Watering orchids just right is tricky. Spraying the roots daily with a spray bottle is the best technique, Friend-Daniel said. Alternatively, provide a half-cup of water once a week for plants potted in bark, and a quarter-cup once a week for plants in moss. In warmer months, water every four to five days.

Never let the roots sit in water, because they will rot.

“Most failures with orchids are because of overwatering,” said Hachadourian. “If the plants are potted in moss, allow it to dry slightly between watering. Depending on your conditions, a small amount of water once or twice a week is sufficient to keep the plant moist without being overly wet.”

Some orchid lovers swear by giving their plants nothing more than an ice cube or two weekly, but Hachadourian said that doesn’t provide enough water for long-term growth. He said tepid water is better for them in any case.

You can also fertilise, but sparingly. Too much can kill the roots.

Once the first flowers are gone, Friend-Daniel’s team advised cutting the stem off to the base, removing the growing medium (moss or bark), and transplanting the plant to a slightly larger pot filled with fresh bark or sphagnum moss.

“New growth should start coming from the middle of the plant within three to four months,” Friend-Daniel said. It will take seven months total to produce a flower spike, and 12 months for a fully bloomed spike.

The ideal temperature while awaiting new growth is about 29°C; once there’s new foliage, 21 to 24°C. Too complicated? “No one said it was easy,” Friend-Daniel said.

“It’s work.”

If you do get new flowers, you may be in for a surprise. Some growers inject dye into orchid stems to get them blooming bright blue, yellow, orange or green. Those dyed orchids rebloom white.

Whatever colour your new blooms are, Hachadourian said the “take-home message” is a good one: “People are reblooming their orchids more than once.”

Typically, this is the time of year that botanical gardens host orchid shows, but many have been cancelled because of the pandemic.