The buds form to a decent size but then fall off. They're not brown or eaten, just don't stick to the plant. The bush is quite healthy and a vigorous grower.
09 February 2019 10:21 PM
It is usually insect attack that causes the bud to fall, but in your case you say there is no evidence of insect attack, and the plant is healthy. It may be that the plant is not receiving enough moisture, particularly as we have been experiencing a very hot summer with minimal rainfall, and this could the the cause of bud fall. Check the soil around your plant to see that there is enough moisture and if you haven't already done so, apply a mulch which will help to keep in this moisture. Your gardenia will continue to produce flowers right through autumn so make sure you apply a well balanced fertiliser that will give the plant the necessary nutrients it will need to produce those flowers. You could also apply Sulphate of Potash once a month which will improve the quantity and quality of flowers. Also regular applications of Nature's Way Seaweed Booster will act as a tonic. This product supplies natural growth stimulants and minerals that encourages healthy flowering and enhances recovery in stress conditions. You can apply the Seaweed Booster on a regular basis every 2-4 weeks. Hopefully, with all this care your gardenia will be producing lots of glorious perfumed flowers.