Posts In: Garden Care by Month
May 3, 2021

Lawn Care for May

MicroLife at Tom's Thumb Nursery

Lawns are greening up this month and winter weeds are growing as well. When your lawn has grown enough to mow it twice, it is time to fertilize. Mowing weeds doesn’t count.

Your options for weed control are to 1) ignore them and keep them mowed low, 2) hand-pull if there are not too many or the area is not too large, or 3) spot treat with a post-emergence organic weed killer.

The best long-term solution is to mow, water, and fertilize properly to build a dense, healthy turf that chokes out most of its weed competition. If your lawn is continually thin and weak, you will find weeds to be an ongoing problem because wherever the sunlight hits the soil, nature plants a weed. Just remember, the best weed control is a dense lawn.

Pick up our guide to organic lawn fertilization, organic herbicides and organic fungicides!

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Vegetables & Herbs – Largest Variety On The Island! If you are buying your vegetable and herb plants from us, then you know that you are getting the very best! Our transplants are arriving daily. We can also help you select the right soil, compost, and fertilizer for your garden.

Easy-to-Grow from Seed – Edibles: Amaranth, Arugula, Basil, Bean, Broccoli Raab, Chives, Collards, Kale, Lettuce, Mustard, Parsley, Pea, Pumpkin, Radish, Spinach, Squash, Swiss Chard, Tatsoi

Perennials & Annuals – Colorful flowering plants in our garden.

Easy-to-Grow from Seed – Flowers: Ammi, Bachelor’s Button, Broom Corn, Calendula, CA Bluebells, Cosmos, Flax, Flower Mixes, Larkspur, Love-in-a-Mist, Marigold, Money plant, Morning Glory, Nasturtium, Orlaya, Poppy, Sunflower, and our favorite Zinnia!

Trees, Shrubs & Vines – New stock has arrived.

Be patient as it will take some time for your plants to recover from the recent freeze. Take notice of the vegetation that did well in the freeze. You may want to consider different types of trees and shrubs when you are planting this year.

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Vegetables and Herbs – Continue to plant arugula, bok choy, broccoli, cauliflower, cabbage, chard, collards, lettuce, mustard greens, kale and more!
Here is a link to Dr. William Johnson’s article “Harvesting Tips for Cool Season Vegetables”.

Perennials & Annuals – It’s time to plant alyssum, cyclamen, mums, pansies, snapdragons, violas and ornamental cabbages. If you haven’t done so already, work some compost into the soil before planting.

Plant Bulbs Now – Paperwhites, Amaryllis, Tulips

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veronica romanesco

Vegetables and Herbs – Continue to plant arugula, bok choy, broccoli, cauliflower, cabbage, chard, collards, lettuce, mustard greens, kale and more! When planting transplants, water them in with a soluble organic fertilizer solution to get them off to a good start. Continue a light application of organic fertilizer every few weeks. Watch for pests, such as aphids and caterpillars. Sprays of insecticidal soap will control aphids and sprays or dust containing Bt will control caterpillars.

Perennials & Annuals – It’s time to plant alyssum, cyclamen, mums, pansies, snapdragons, violas, and ornamental cabbages. If you haven’t done so already, work some compost into the soil before planting.

Trees, Shrubs & Vines – This is the best time of the year to plant woody ornamentals! This is also the best time to move a plant already growing in the landscape. Stop in and let is help you select a beautiful shrub or tree for your Fall landscape. Our landscape department will be happy to plant for you. Give us a call to schedule.

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Vegetables and Herbs – Now is the time to plant cool season vegetables & herbs: transplants such as arugula, broccoli, brussel sprouts, cauliflower, cabbage, collards, eggplant, kale, kohlrabi, mustard greens, onions, pak choi, spinach, squash, Swiss shard, tomatoes, zucchini and more! Also look for basil, chives, cilantro, lavender, lemongrass, parsley, rosemary, sage, thyme, mint and more!

Fall Planting Guide

Perennials & Annuals – Some of our favorite annuals and perennials are arriving this month. Plant those cool season flowers such as alyssum, snapdragons, mums, calendula, dianthas, ornamental kale, verbena, violas and more!

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Don’t forget about your plants if you are planning a vacation this summer. Install a timer on your drip system. Here is a tip from the Texas Gardener: If your plants are in containers, set the containers in a shallow kiddie pool with a few inches of water. Place mosquito dunks in the water to prevent mosquitos. Another suggestion is to use a plant nanny in your pots and in the ground.


Web Caterpillars

These insect pests produce a web that envelopes leaves near the tips of the branches. They prefer mulberry and pecan, however, webworms will feed on a wide variety of other landscape trees ( Oak) and shrubs.
These pests can be controlled with organic insecticides such as Dipel, Bio-worm Killer or other organic spray products containing Bacillus thuringiensis. B.t. The caterpillars eat it, become sick almost immediately, stop feeding and then die within a few days.

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Portulaca / Purslane

Summer is just around the corner, and we have the perfect plants to brighten up your garden! With the weather heating up, make sure to check out our tips for gardening this month.

Vegetables & Herbs – Mornings are still a great time to be out in the garden…..late afternoons shortly before dark are also a tolerable time to be out. Check the mulch throughout the garden and replenish any areas where it is getting too thin. Mulch reduces evaporative loss of water from the soil, moderates soil temperatures, and deters weed seeds. Continue to fertilize tomatoes and peppers to promote higher yields and stronger plants. Bird netting is an option to help protect the fruits of your labor! Spider mites can be controlled with water or soap spray and caterpillars can be controlled with Bacillus thuringiensis (Bt).

Perennials & Annuals –  Some dependable color options for summer include a variety of salvias, zinnias, purslane, vinca, portulaca, lantana, esperanzas, plumbagos and cupheas. If you are watering your plants with an overhead sprinkler, you may be seeing an increase in diseases of the foliage. Drip irrigation is a better way to go and can help minimize leaf wetness. There are disease-control products on the market. We can provide help in identifying pests and diseases, and in deciding on an appropriate, effective control option.

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Passion Vine

The temperatures are starting to warm up, and so are our crops! Now’s the perfect time to start planting some summer crops for the next season.

Vegetables & Herbs – Warm-season crops are in their prime this month. One mistake new gardeners make is to not harvest vegetables at their peak quality. Left on the plant too long, many will decline in quality.

  • Eggplant can become tough and bitter; green beans stringy and less tasty;
  • Squash and cucumbers become too mature with tough skin and large tough seeds.
  • If you have mockingbirds, squirrels, and other raiders, it may be wise to pick your tomatoes early and allow them to ripen on the kitchen counter.

Fertilize growing crops with a natural, organic fertilizer that not only promotes healthy plant growth but is also good for your soil.

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