How do you treat crown rot in ajuga?
The only chemical we can recommend for homeowner use is thiophanate methyl. This chemical will protect healthy plants but will not eradicate the fungus. Disease management includes removing and discarding infected plants and the soil immediately surrounding the rootball.
What is killing my ajuga?
ANSWER: Ajuga (Ajuga reptans) is prone to a fungal root and crown rot caused by the Southern blight fungus (Sclerotium rolfsii). For this reason we tend to restrict ajuga plantings to small, minor areas that will not be too great a loss should this disease hit. Remove all of the diseased plants and dispose of them.
How do you reverse crown rot?
Orchid crown rot treatment is, thankfully, very easy and usually effective. Simply buy a bottle of full strength hydrogen peroxide and pour a small amount onto the crown of the plant where the rot is. It should bubble up and fizz. Repeat this every 2-3 days until you no longer see the bubbling.
What is crown rot in ajuga?
Crown rot, sometimes called southern blight or southern stem rot, is caused by several soil-borne fungi. It affects herbaceous plants and some woody plants but is most commonly found on ajuga, anemone, campanula, chrysanthemum, delphinium, hosta, hydrangea, iris, narcissus, phlox, rudbeckia, scabiosa, sedum, and tulip.
Can plants recover from crown rot?
Crown rot is a disease caused by a soil-borne fungus which can survive in the soil indefinitely. This fungal disease is often favored by wet conditions and heavy soils. While symptoms may vary from plant to plant, there is often little you can do once the disease occurs.
What does crown rot look like?
In herbaceous plants, a common feature of crown rot is that they will look like they are suffering from drought. The leaves may wilt or turn yellow, dull green, red, or purple.
Why is my ajuga dying?
Sudden wilting, yellowing and death of ajuga, also known as bugleweed, means crown rot may have invaded the planting. This fungal disease is most common in warm wet or humid weather. It first appears as sudden wilting and dieback in colder climates and yellowing and death of plants in warmer areas.
Can ajuga grow in full sun?
Ajuga Species It spreads quickly by runners, making a mat of dark green leaves that grow 2 to 3 inches wide in full sun and 3 to 4 inches wide in part shade. Selections with bronze- or metallic-tinted leaves keep color best in full sun. The flowers, usually blue, are borne on 4 to 5 inch high spikes.
What does petiole rot look like?
Petiole Rot Signs: Yellowing and browning of the leaves around the margins, leaves become limp and mushy at the base of the petiole. The leaves are easily pulled from the main plant. White fungal threads (mycelium) may be visible.