Nature has been minding the gardens for me this spring. In Toronto, cool, wet conditions have significantly reduced my usual watering routine, even on the roof, where a trifecta of sun, heat and wind conspire to create a sometimes-punishing state of affairs.
I had nearly forgotten what it is supposed to be like at this time of year until I plodded outside one afternoon and discovered my most prized variegated hot pepper plant completely collapsed and withered in its pot.
With some fast action on my part, the plant was standing upright again within the hour. But that's not to say that it wasn't affected.
On the whole, food gardens tend to be more vulnerable to drought than their ornamental cousins. If the soil is too dry too often, plants stress out and become susceptible to insects and disease.
Fruit producers, including tomatoes, cucumbers and squash, require more water, especially when they start to set fruit. They'll grow dry, hard, undersized or not at all without adequate moisture to sustain the watery fruit. Herbs and leafy greens rush to produce seed too quickly and grow tough and bitter-tasting.
Newly planted seedlings and seeds are even more demanding than mature plants. This is one reason why most vegetable planting comes to a halt during the hottest part of the summer. If you do need to plant during a drought, dig a hole and fill it up with water.
Wait for the water to sink in and fill the hole again before planting as usual. Saturating the soil beforehand will keep the soil moist longer and support the seedling as it gets established.
Container gardens are notoriously water-hungry, sometimes requiring a good drink as much as twice a day during a heat wave. Gardening in plastic pots instead of terra cotta and using big pots instead of small will prevent the kind of catastrophe my pepper endured. Add a thick layer of mulch using straw, grass or shredded paper to the top of pots to create a cooling, protective barrier against the drying effects of the sun and wind.
In-ground gardens don't dry out as quickly as containers but will reap the same benefits from a mulch blanket. You can further reduce your need to water by adding lots of compost to the garden since loamy, crumbly soil retains water well.
How you water can actually impact how often you need to do it. Drip and slow-flow irrigation systems such as soaker hoses distribute water slowly, allowing the soil and plants to soak everything in right at the roots, where moisture is needed most. Lee Valley (www.leevalley.com) sells affordable watering spikes that slowly release water deep in the soil from an attached water bottle reservoir. These are handy for weekends away. You can also make your own by drilling tiny holes into the cap and sides of a used water bottle. Cut off the top (like a funnel) and bury it cap-side down right next to the roots of your water-hungry tomatoes.
This device also serves as a great reminder to direct the stream of water at the soil and not up into the air or on the leaves of your plants. Watering this way creates excess humidity around dense foliage - the perfect breeding ground for fungus and blight. It also means that while the foliage is damp, the soil may be too dry.
When you do water, always give the soil and roots a good, deep drink. Your plant (including the roots) will grow healthier and more productive for it and will inevitably be more disease-, pest- and drought-resistant as a result.
For more gardening tips, visit Gayla Trail's website, www.yougrowgirl.com .
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