Getting it to bloom
Why won't my Andean Silver-Leaf Sage bloom? (and how to make it flower)
Also called Andean Silver-Leaf Sage, Peruvian Black Sage, Concolor Sage, Andean Sage (Salvia discolor).
More about andean silver-leaf sage
About Andean Silver-Leaf Sage
Salvia discolor · also called Andean Silver-Leaf Sage, Peruvian Black Sage · flowering
Salvia discolor is a striking tender perennial native to Peru, prized for its combination of silvery-white woolly undersides on aromatic leaves (which smell faintly of blackcurrant) and almost-black, deep indigo-purple flowers appearing from September to November. It is frost-tender (RHS H2) and must be overwintered under glass in the UK and most of the US; in warm climates (USDA zones 9b–10b) it may be grown outdoors year-round. The single most important care point is sharp drainage — root rot in wet or cold conditions is the primary cause of loss. The Salvia genus is considered non-toxic to cats and dogs by the ASPCA, though mild stomach upset from ingestion is possible.
Plant type: flowering
The reasons andean silver-leaf sage isn't blooming
Almost every non-blooming andean silver-leaf sage traces back to one of these, roughly in order of how common they are:
- Too little sun — most of these need full sun (or very bright light) to flower well; shade gives leaves, not blooms.
- Too much nitrogen feed, driving lush foliage at the expense of flowers (very common with general or lawn feeds).
- The plant has not been deadheaded, so it stops flowering once it sets seed.
- Irregular watering — drought or waterlogging at the budding stage makes buds abort.
- It is still too young or was checked by a transplant and is rebuilding before flowering.
Feeding andean silver-leaf sage a high-nitrogen general feed and growing it in too little sun — you get a big leafy plant and almost no flowers.
The fix — how to get andean silver-leaf sage to flower
- Maximise sun. Give andean silver-leaf sage the sunniest spot you have — for most bedding and fruiting plants, more direct light directly means more flowers.
- Switch the feed. Move off high-nitrogen feeds and use a higher-potassium "bloom" or tomato-type feed as it comes into flower.
- Deadhead regularly. Remove spent flowers often to keep it producing more rather than stopping to set seed.
- Water consistently. Keep moisture even through budding and flowering — drought-then-flood swings make buds drop.
Light and feeding do most of the heavy lifting here. Dial in the spot with the light guide for andean silver-leaf sage and get the feeding right with the andean silver-leaf sage fertilising schedule — the wrong feed (too much nitrogen) is one of the most common silent reasons a healthy plant makes leaves instead of flowers.
Bloom season and what to expect
Andean Silver-Leaf Sage flowers across its growing season (mostly summer) and, kept fed and deadheaded, can bloom for many weeks or right up to frost.
Post-bloom care so it flowers again
Deadhead, keep feeding lightly, and many will rebloom; collect seed from the best plants at the end of the season if you want to grow them again.
For everything else this plant needs day to day, see the full andean silver-leaf sage care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.
Andean Silver-Leaf Sage blooming — frequently asked questions
Why won't my andean silver-leaf sage flower?
Andean Silver-Leaf Sage blooms on the season's growth given enough sun, warmth and the right feed — there is no cold or photoperiod trick, just good growing conditions and a bloom-leaning feed. The most common reason it is not happening: Too little sun — most of these need full sun (or very bright light) to flower well; shade gives leaves, not blooms.
How do I make andean silver-leaf sage bloom?
Give andean silver-leaf sage the sunniest spot you have — for most bedding and fruiting plants, more direct light directly means more flowers. Move off high-nitrogen feeds and use a higher-potassium "bloom" or tomato-type feed as it comes into flower.
When does andean silver-leaf sage normally bloom?
Andean Silver-Leaf Sage flowers across its growing season (mostly summer) and, kept fed and deadheaded, can bloom for many weeks or right up to frost.
What should I do with andean silver-leaf sage after it flowers?
Deadhead, keep feeding lightly, and many will rebloom; collect seed from the best plants at the end of the season if you want to grow them again.
What is the single biggest mistake stopping andean silver-leaf sage flowering?
Feeding andean silver-leaf sage a high-nitrogen general feed and growing it in too little sun — you get a big leafy plant and almost no flowers.
Keep reading
- Andean Silver-Leaf Sage care — the full brief (light, water, humidity, problems, pet safety)
- Andean Silver-Leaf Sage light needs — usually the first thing to fix for flowers
- Andean Silver-Leaf Sage fertilising — the right feed for buds, not just leaves
- Should I water my plant? The simple check
- Why is my plant wilting? Wet vs dry
- Underwatered plant — signs and rehydration
- Why won't my peace lily bloom?
- Why won't my jade plant bloom?
- Why won't my tomato bloom?
- All 4114 bloom guides in the Growli library