As of today, Gwinnett County further relaxed its previous watering restrictions, which were modified on the first of April.  The county’s restrictions now match the state’s restrictions.

The big change is that you can now water newly installed landscaping (whether you install it or a professional installs it) for 10 weeks following installation 3 days per week, following the odd-even watering day rule.  Homeowners with an even address can water on Monday, Wednesday and Saturday, while odd numbered addresses can water on Tuesday, Thursday and Sunday.  No watering is permitted in Friday. You will also need to register with the Urban Agriculture Council and take a short online course on proper watering procedures.  The printable certificate you receive after passing the course must be posted outside your home.

The previous restrictions allowing filling of pools and hand-watering of any plants for 25 minutes on the odd-even schedule remain in place.

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It looks like we could have a record cold temperature this evening/Wednesday morning.  The current record low for April 30th is 40 degrees set back in 1969.  Forecasters are calling for a low of 36 in Lawrenceville, but only 42 for Hartsfield Airport, so it’s going to be close.  The Weather Service has issued a frost advisory for most of the state north of Macon.

The cold air is caused by Canadian high pressure sweeping into the area following last weekend’s rain.  Usually these cold blasts end around the first of April because developing high pressure off the Atlantic Coast (the proverbial Bermuda High) strengthens enough to counteract the approach of the cold front from the north.  Between this round and the cold weather back in the middle of the month, we’re likely to end April with below normal temperatures for the month.  You can be glad you’re not in Chicago or as far south as West Virginia, which have had a late season snowfall.

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It looks like Old Man Winter is going to take one more shot at Georgia over the next few days, and that could be bad news for gardeners and farmers across the state for a second year in a row. The Weather Service is calling for low temperatures in Lawrenceville of 36 degrees on Sunday night and Tuesday night, and 34 degrees Monday night. Across the state, lows are expected to be in the upper 30s Monday morning, and 31 in Atlanta, 32 in Athens, and 30 in Macon on Tuesday morning.

Accuweather.com is calling for lows of 34 on Sunday night, 30 Monday night and 39 Tuesday Night, while Weather.com says it will be 36 Sunday night, 31 on Monday and 33 on Tuesday.  In comparison, temperatures dropped to 28 degrees the nights of April 6 and 7, 2007, the infamous Easter Freeze that caused widespread damage to spring flowers and crops.

My guess is that the damage won’t be as bad as what we saw last year– it looks like it will be a little warmer– but I wouldn’t suggest you plant any annuals this weekend.  You should also bring in any houseplants or container plants you’ve set outside until at least Wednesday. If the worst does happen, Walter Reeves has a good article on coping with freeze damage.

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Gwinnett County today revised its watering restrictions to allow hand watering as permitted by state guidelines, but held off on making changes to its policy for watering of professionally installed landscaping.

As you may remember, in mid-February, the county revised the watering restrictions it had put in place in December to allow filling of swimming pools. It also modified its rules regarding watering of professionally installed landscaping to allow watering on 10 days within 30 days of installation if a sign was posted and the homeowner had completed an online course. The county’s guidelines were set to expire on March 31st.

In March, the county commission delegated the authority for managing watering restrictions during the drought to county administrator Jock Connell. He decided today to relax the restrictions on hand watering to those allowed by the state. That means you can use a hose with a hand-activated nozzle to water your plants for up to 25 minutes three days per week, on an odd-even schedule. People with even numbered addresses can water on Monday, Wednesday and Saturday, while people with odd numbered addressed can water on Tuesday, Thursday and Sunday. All watering must be done between midnight and 8 AM. Food gardens can be watered anytime, and the you are not allowed to use your 25 minute window to wash your car.

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I got a comment from Matt asking how we’re doing with the drought, given the recent rainfall, and rather than answering his question in another comment, I decided to do a new post.

In reality, with 9.79 inches of Atlanta is still behind what would be ‘normal’ rainfall by 2.44 inches as of yesterday, and some of that deficit has been reduced by today’s storms.  However, we are doing better than as of this time last year.  In 2007, Atlanta had recorded only 7.71 inches by March 14th, 2.08 inches less than in 2008.  In Gainesville, which has had 10.74 inches of rain so far, they are ahead by 2.17 inches.  Here in Lawrenceville, I’m only showing .86 inches more rain than this time last year, but keep in mind I don’t have an ‘official’ rain gauge.

Even though actual rainfall varies across the metro area, it’s probably safe to say that we’re two inches ahead of where we were this time last year.  Plus, in 2007, the second half of March ended up being rain-free, so by the end of this month, we are likely to be even further ahead of 2007.

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