Black and Blue is part of the Salvia genus and is a Anise-scented sage variety. Its scientific name is Salvia guaranitica 'Black and Blue'. Blooms appear in these approximate colours: Medium blue and Midnight blue and Pigment blue. Leaves appear approximately as a Hunter green colour.
Spectacular dark cobalt blue flowers with almost black sepals.The black stems set off the electric blue flowers very well. Leaves are ovate, pointed, hairy, slightly toothed, and vivid green. They emit a very light anise scent when brushed. They are upright and bushy and can reach five to six feet tall in full sun, but are taller and gangly in partial shade. These bicolor flowers can be present over a long period from mid-summer to deep into autumn, at least until first frost.Black and Blue grows as a Perennial and is a Ornamental. Being a Perennial, it tends to grow best over several years (approx 3 years and greater). Black and Blue is known for its Shrub habit and growing to a height of approximately 1.50 metres (4.88 feet). This variety tends to bloom in late summer.
Brazil is believed to be where Black and Blue originates from.
Black and Blue Anise-scented sage is normally quite a low maintenance plant and is normally very easy to grow - great for beginner gardeners!
This variety plant info is provided by the myfolia gardener's wiki. All details about Black and Blue have been kindly provided by our members.
If it per chance stops blooming before summer’s end, cut it back by 1/3 to 1/2 it will take off flowering anew. The persistence of its flowering is one of its great assets, no matter how late it begins.Plant in a location that enjoys full sun and remember to apply water fairly sparingly. Keep in mind when planting that Black and Blue is thought of as tender, so remember to wait until your soil is warm and the night time temperature is well above freezing before moving outside. Use USDA Hardiness Zone 7 - 11 as your guideline for the appropriate climate for this plant. Black and Blue needs a loamy soil with a ph of 6.0 to 7.5 (weakly acidic soil to weakly alkaline soil).
Spreading rhizomitously, over time the clump can spread to three feet wide. Large clumps can be divided in spring before new leaves begin to appear, or in the fall after the blooms have faded. Starts can be made from softwood cuttings in spring (in warmer zones), or ripening summer cuttings, or from terminal cuttings from any month it is growing.
By our calculations, you should look at sowing Black and Blue about 84 days before your last frost date.
Give plenty of water when transplanting. In time will become drought tolerant.Ensure that temperatures are mild and all chance of frost has passed before planting out, as Black and Blue is a tender plant.
Blue Anise Sage, Brazillian Blue Sage, Sapphire Sage, Anise Scented Sage