I don’t know about you, but during the winter, I just cannot get warm without a fire! Every time I build a new fire something must be done with the ashes from the previous one.  We try to recycle as much as we can, and I just abhor waste. What can we do with those wood ashes?

A great way to use them is to apply them to the garden. Before we do that, we must decide which garden area would benefit from wood ashes. Ashes from hardwood trees make great soil amendment for certain types of plants. They contain nutrients like phosphorus, potassium, and other elements that will promote bloom and strengthen roots on plants such as lilacs, rosemary, and peonies, as well as certain vegetables like broccoli, cabbage, and collards. Don’t use ashes from charcoal fires or from treated lumber, because they contain chemicals that would be harmful to plants.

The addition of wood ashes can be of great help to you when growing plants that prefer alkaline soil, especially if you have acid soil like we do in Georgia. The wood ashes will sweeten the soil, making it less acidic. You must be careful where you deposit the wood ashes, because plants like blueberries, camellias, azaleas, and rhododendrons all need acid soil, and will perish if you apply wood ashes around them.

To find out what kind of soil you have, you can take a soil sample to your local County Extension Service for evaluation. For a small fee, they will send it off for testing. For more information, just call your local county extension office.

Also, as with most fertilizers, a little wood ash goes a long way.  Apply no more than 20 pounds per 1000 square feet per year. Plus, wood ashes should never be applied too close to tender roots of newly planted seedlings, so it’s best to apply them to the soil well in advance of planting time. (Fall would be great!) Wood ashes are also beneficial to lawns if applied very sparingly and watered in well.

In addition to soil benefits, wood ashes make a good natural slug repellent---just encircle the vulnerable plant with a ring of ashes and the snail/slug will not cross the line!  Since ashes won’t be as plentiful next summer when snails are munching, you might want to save some for later in a galvanized bucket.

June Blooms in my Georgia Garden: Climbing Hydrangea

Every time I walk behind the greenhouse this time of year, I notice the distinct fragrance of honey. I wish you could smell it. This honey scent comes from the blooms of the large Decumaria barbara plant completely covering the pine tree it climbs. This fragrant Wild Hydrangea Vine can grow up to 30 feet!

Decumaria barbara is usually referred to as Climbing Hydrangea because its delicate, lacy blooms do look like a white hydrangea bloom cluster, and it is in the hydrangea family. This plant is also known as Wood Vamp, but I have been unable to figure out why. If you know, I would welcome your comments. 

Decumaria is a native vine found growing mostly in the Southeastern United States and can often be found on a hike through the woodland in Georgia. It can be grown anywhere in the South, since it is hardy in USDA Zones 7-11.

Do not confuse this plant with the non-native Hydrangea anomala petiolaris, which is also known as Climbing Hydrangea.

Wild Hydrangea Vine is easy to grow and can be grown as a groundcover or allowed to climb any structure. Like some other flowering vines, this Hydrangea Vine will not bloom unless it is permitted to climb. Its aerial roots will attach itself to anything from a tree trunk to a brick or rock wall, but will not damage the tree or wall in any way.

Decumaria barbara prefers part shade and is one of the few native vines that will bloom in full shade. The fact that it is usually found growing along stream banks indicates that it enjoys moist soil.

The rich green leaves look beautiful all summer and are not bothered by any pests or diseases. I would suggest it to be grown on an arbor or trellis near the patio, but it is deciduous in our climate, so there would be no foliage in winter.

Climbing Hydrangea belongs in the wildlife garden. Birds and small mammals love to hide and build nests in the lush foliage. Butterflies and other pollinators love the flowers.

Wood Ashes Lower Garden Soil Acidity

Lilacs enjoy alkaline soil

I don’t know about you, but during the winter, I just cannot get warm without a fire! Every time I build a new fire however, something must be done with the ashes from the previous one. Well, we try to recycle as much as we can, and I just abhor waste. What can we do with those wood ashes?

A great way to use them is to apply them to the garden. Before we do that, we must decide which garden area would benefit from wood ashes. Ashes from hardwood trees make great soil amendment for certain types of plants. They contain nutrients like phosphorus, potassium, and other elements that will promote bloom and strengthen roots on plants such as lilacs, rosemary, and peonies, as well as certain vegetables like broccoli, cabbage, and collards. Don’t use ashes from charcoal fires or from treated lumber, because they contain chemicals that would be harmful to plants.

The addition of wood ashes can be of great help to you when growing plants that prefer ‘sweet’ or alkaline soil, especially if your soil is very acidic. The wood ashes will sweeten the soil, making it less acidic. You must be careful where you deposit the wood ashes, because plants like blueberries, camellias, azaleas, and rhododendrons all need acid soil, and will perish if you apply wood ashes around them.

To find out what kind of soil you have, you can take a soil sample to your local County Extension Service for evaluation. They’ll have to send it off for testing, and for more information, go to: http://pubs.caes.uga.edu/caespubs/pubcd/C896.htm or just call your local county extension office.

Also, as with most fertilizers, a little of the wood ashes goes a long way. Apply no more than 20 pounds per 1000 square feet per year.

Plus, wood ashes should never be applied too close to tender roots of newly planted seedlings, so it’s best to apply them to the soil well in advance of planting time. Wood ashes are also beneficial to lawns if applied very sparingly and watered in well.

In addition to soil benefits, wood ashes are a natural slug repellant---just encircle the vulnerable plant with a ring of ashes and the snail/slug will not cross the line! Since ashes won’t be as plentiful this summer when snails are munching, you might want to save some for later in a galvanized bucket.