Select the location for your garden with care.
It’s important to consider elevation, soil properties, cover, as well as the proximity of hardscape structures and other plants when planning your garden. Cold-sensitive greenery should not be planted in open areas, or in the low lying spots where cold air settles; instead, plant them near a south- or west-facing retaining wall. Fences and shrubs can serve the same purpose to absorb light and heat.
Keep these thoughts in mind as you begin to plan your spring garden, and in the meantime, take the necessary defensive measures to see your plants through the frost.
Keep up with the watering.
Wet soil retains heat far better than dry soil, and so regular watering during the winter months will keep your plants’ roots safe and warm.
Cover the most vulnerable.
Bed sheets, plastic sheets, drop cloths, and even blankets can be used to cover and protect your plants most vulnerable to the cold. Use a protective covering overnight or on especially frigid days, but then be sure to take it off again when temperatures rise. (Mulch, straw, or composted leaves can be used in a pinch, when a quick cold snap strikes.
Gather together your container plants.
Think of this as when people huddle together for warmth; the concept is the same. Provide protection from the elements, and shelter. If possible, bring container plants inside.
Keep in mind that succulents require special care.
Some succulents thrive in cold weather, while others are more sensitive. In Fairfax and surrounding areas, where winter temperatures drop and stay below freezing, Grigg Design recommends planting succulents in pots so they can be relocated when necessary; not overwatering; and leaving damaged leaves in place to protect lower foliage.
Perhaps most important to remember is this: Plants are resilient. If at any point you see signs of frost damage, don’t overreact. Wait a while, as it’s not until the weather begins to warm again in March that plants will grow healthy and new, or succumb to the frost.