Some plants absorb excess nitrates or oxalates from the soil and store them in plant tissues. Toxicity problems can occur in animals which feed on these plants.
Purchasing, site selection, when to plant, preparing the site, and follow-up care.
The category of Old Roses remains one of the most misunderstood and confusing. Nurseries may call a plant an "antique rose" or an "old garden rose," but the rose may not truly be an Old Garden Rose.