Most Veronicas bear loose spikes of blue or mauve flowers in warm weather. The earliest to flower is the pale blue Veronica Gentianoides. Flowering period between May-June.
Germination Temperature (°F)
Water regularly when the weather is dry. Water logging in Winter is the usual cause of death.
Feed with general fertilizer in Spring.
Divide clumps or sow seeds in Autumn.
Veronica thrives in sun or light shade. The main enemy is poor drainage. Mulch in Spring.
Cut stems back to ground level in Autumn.
Provide support for tall growing species.
Alkaline to acid soil.
All parts of the oleander (Nerium oleander), a beautiful Mediterranean-native flowering shrub, are poisonous. Ingesting oleander leaves can cause gastrointestinal, cardiac, and central nervous system problems and possible death.