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Okinawa morning glory

On our balcony, this Okinawa morning glory is just now flowering. All but one of the four Japanese morning glories have died back. The Okinawa morning glory is a vivid “crystal blue,” whereas the Japanese ones are variegated. The Okinawa flowers and leaves are larger, growth vigorous, and best of all the tag claims it is a perennial.

Last Wednesday was the first official day of fall, so the wind charm has been packed away. New fall flowers include fujibakama, cosmos and a “fairy white” daisy.

Here’s what the Okinawa morning glory looks like when the bud is one day from opening. The flower lasts just one day, but each bud is in a cluster of three to six, and there are many forming this month.

Okinawa morning glory bud

Residential green wall

On a small street, a residential building with pavement extending to the street has a fantastic, thick green wall of morning glory and bitter melon. The “green curtain” is growing from two pots on the staircase landing, with a simple next extending to the roof. It’s a great example of adding greenery on a lot that has very little exposed soil.

Residential Green Wall morning glory

The bitter melon adds a healthy, edible dimension to this seasonal green wall.

Residential Green Wall bitter melon

I wonder why our green wall never got this thick? Perhaps the southern exposure was too hot for bitter melon and morning glory. This morning I saw a fluttering large butterfly, a resting dragon fly, and a juvenile lady bug enjoying the shady side of a leaf. A few days ago I noticed a trellised collection of morning glories on the way to Nodai has already been cut back, so I think the season is almost finished.

Update: A week later, on Sept 19, I returned to this small street, and there is no sign of the green curtain. The vines and even the planter boxes are gone.

Bitter melon, balcony green curtain

Inspired by the Suginami Ward Office’s giant green curtain, we have started a green curtain for our south-facing balcony using bitter melon and morning glory. Above you can see the first vegetable taking shape. Below a wine-colored morning glory; other colors include white, blue and white, pink and white, and “crystal blue” from Okinawa.

With twine, we have created a simple structure connecting the railing with the laundry support attached to the balcony ceiling. It is amazing how fast the vines grow in the Tokyo heat and humidity.

morning glory, wine color, balcony green curtain

Morning glory festival in Iriya

This week I attended the Morning Glory festival in Iriya. Fifty vendors spread outside and inside the Iriya Kishimojin temple set up hundreds of thousands of plants for sale on July 6, 7 and 8. It is a symbol of the start of summer.

Many vendors wear traditional clothes, including hapi and momoshiki, plus towels worn as headbands to beat the summer heat. All the Japanese delivery services had representatives, who can deliver your morning glory throughout Japan for 800 yen (about $8.50).

Inside the temple I saw monks blessing plastic morning glory flowers with chanting and metal sparks. There was plumes of incense, small kids in colorful outfits, and television cameras.

Iriya Kishimojin monks blessing morning glories

I spoke with some European and Latin Americans working in the stall of their bonsai master Kobayashi Kunio. They confirmed that all the vendors were selling very similar plants. Most were four plants of different colored morning glory (pink, blue, purple, red, white, and striated flowers, and many with striated leaves) twined around a circular support. They also told me that the stalls were open from 6 am until 2 am, which makes for incredibly long days and little sleep. I picked up “ocean blue” for 2,500 yen and a four color mix for 2,000 yen.

Covered flower stalls occupied one side of the wide road, including one lane of traffic, and typical festival food the opposite side.

Police at Iriya morning glory festival

ayu fish at morning glory festival in Iriya

Innovative government projects include Tokyo’s Suginami ward office building. In 2008 the municipal government in 2008 planted the world’s tallest “green curtain” to reduce carbon dioxide, lower energy costs, and demonstrate new green technology.

Suginami assembly green curtain

The green curtain covers the south wall of the main city offices, with support from a net nearly 29 meters in height, and a wall of vegetation consisting of fast-growing vines such as loofah, cucumber, gourd and morning glory. The vines are growing in small containers, with a moisture sensor that makes watering very efficient. During summer and fall, the offices are cooler by 4 degrees celsius.

This Tokyo ward-level project is an amazing demonstration of vertical urban gardening, but unfortunately little information is available online in English about this project.

UPDATE: There’s a fantastic 2010 blog about a Suginami resident creating a small green curtain. Wonderful photos document the progress, lots of information about plant types, and participation of 4 year old child. Very cool!

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