Glandora, Lithodora, Scrambling Gromwell, Shrubby Gromwell 'Heavenly Blue'

I love this plant, but it is turning dark brown or black in the middle! It is in well drained soil in full sun for the afternoon, part or...Read More shade in the morning, and it is mulched with gravel to keep the crowns drier. What am I doing wrong? If it is an acid loving plant, then I put it too near lavender, which I understand likes lime. Please let me know if you know what I should do to save the lithodora for next year!

I am growing Lithodora diffusa here in the Upstate of SC in my Xeric garden along with several species of delospermas and other succulent...Read Mores. It blooms continuously all spring and summer. Bees love it. Neighbors love it as well. This is truly a beautiful blue evergreen blooming plant and very hardy..

I had a similar problem. It can be a difficult plant to grow. The soil must be well drained and acidic . Lithodora Diffusa hates lime. I...Read Moref you live in a hard water area, watering will add lime to the soil (raises pH).The pH will become too high so.the plant will suffer..You either need to plant in ericaceous compost to begin with, or add some sulphur to the planting mixture whiich will keep the soil acidic enough. To ensure the soil drainage is sufficient add plenty of sharp sand/grit to the planting area.

I live in Bluffton, SC and bought 6 of these plants at Home Depot in April. They were gorgeous and I was so proud after getting them in ...Read Morethe ground. In about 2 wks, one plant started to turn black and I was so sad. Eventually it died but before it died, a second one followed suit. I read here to cut out the die back which I have on the remaining 4, 3 of which look good but the 4th is half gone. I don't think I have overwatered. Should I give up or replace with new ones? Help!! Mary Ann