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  • July garden tips & tasks

    Make sure the trees and shrubs you planted in spring get plenty of water. The Nashville Tree Foundation advises that trees planted in the last three years should receive 10 gallons per week per inch of tree caliper. Water your trees slowly with a bucket, soaker hose, slow drip hose or watering bag.

    As tomato plants continue to grow and produce, keep the soil around the plants consistently moist. Inconsistent watering is the reason tomatoes develop cracks.

    Summer annuals and perennials such as daisies, glads, zinnias, sunflowers, cosmos and others make beautiful summer bouquets. Cut them early in the day when they’re at their freshest and put them in water in a vase right away. Change the water daily to keep them fresh longer.

    Pick summer squash and zucchini while they are still small and tender for best flavor.

    Watch for tobacco hornworms on tomato plants and Japanese beetles on just about everything else. Pluck the worms off the tomato plants and dispose of them. (If you see one with its back covered with white eggs, leave it; it is being parasitized by a tiny wasp.) Knock Japanese beetles off plants into a bucket of soapy water.

    Cut back the stems of mums once more, before they begin to form flowers. This allows them to delay flowering until fall.

    Lawn growth (and lawn mowing) may slow down as the heat increases. Continue to mow as needed, but don’t cut the grass too short. Provide about an inch of water if it doesn’t rain.

    Don’t forget about those hanging baskets and container gardens in the heat. If it doesn’t rain, you may need to water them daily during the hottest part of summer.

    Overgrown beds of bearded irises should be divided every three to five years. July is a good time for this task.

    You can plant a second crop of summer vegetables that grow quickly. Cucumber, bush beans and zucchini can usually produce a crop by fall if seeds are planted early in July.

    Coleus’ beauty is in the foliage, so when it begins to bloom, pinch off the flower spikes to encourage the plant to grow fuller and bushier.

    Take a daily walk around the garden to enjoy the scenery, but also to spot problems with weeds or bugs before they get out of hand.

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Move irises to a new home

I have irises that will need to be moved. They have been in a very shaded spot and have never bloomed for 4 years. I am moving to a new house and would like to transplant them. I know now is not the time to transplant, but should I trim the leaves back or leave the leaves?

Irises bloom best in full sun.

Now is not a bad time to move the irises. The experts at the American Iris Society and other sources suggest mid- to late-summer as the best time for digging, dividing and moving irises, but since yours haven’t bloomed in four years, they should be happy whenever you’re able to give them a new, sunnier spot in your new home’s landscape.

Here’s the method suggested by gardening experts: Cut the leaves in a fan shape about 6 inches tall, then lift the clump or rhizomes with a spading fork, wash off the dirt, and inspect the rhizome for soft spots, damage or disease. Continue reading

Dig daffodils, save the bulbs

The daffodil bed needed thinning, so I dug them out after the leaves started turning yellow and replanted many of them in the same place. Now I have dozens of extra bulbs I can share with friends. Do they need to be planted right away?

spring-flowering bulbsWhen a daffodil bed begins to look crowded and you begin to see fewer flowers, it’s a sure sign that the bulbs need to be thinned out. One bulb becomes a clump of bulbs after a few years. The American Daffodil Society suggests digging and dividing daffodils about every 4 – 5 years.

The ADS notes that the time to do this job in many regions is now – after blooming ends and the foliage turns yellow. To save bulbs for later planting, wash them thoroughly and let them dry completely, at least a week, and put them in mesh bags, onion sacks or pantyhose and hang them in the coolest place you can find, a place with good air circulation to minimize storage rot.
Store them until the time is right to plant them in the fall.

To learn more about daffodils, visit the American Daffodil Society website, where you can also find links to regional daffodil societies in different parts of the country. In Nashville and Middle Tennessee (where The Garden Bench calls home), the Middle Tennessee Daffodil Society is the group for daffodil enthusiasts. MTDS will host the 2018 American Daffodil Convention and Show, April 5 – 8 in Franklin, TN. Visit the MTDS website here.