Getting it to bloom
Why won't my Guatemalan Blue Sage bloom? (and how to make it flower)
Also called Guatemalan Blue Sage, Guatemalan Leaf Sage, Blue Vine Sage, Cacalia Sage (Salvia cacaliifolia).
More about guatemalan blue sage
About Guatemalan Blue Sage
Salvia cacaliifolia · also called Guatemalan Blue Sage, Guatemalan Leaf Sage · flowering
Salvia cacaliifolia is an elegant, erect herbaceous perennial from the highlands of southern Mexico and Guatemala, grown for its striking gentian-blue flowers held in tall arching panicles from midsummer to late autumn. Its triangular, ivy-like leaves add textural interest and the plant performs best with a degree of shade, making it useful for dappled woodland garden conditions. It holds the RHS Award of Garden Merit but is frost-tender and must be overwintered under glass in the UK. The ASPCA considers Salvia (sage) non-toxic to dogs and cats.
Plant type: flowering
Watch for — Aphids: Congregate on soft growing tips and flower buds; dislodge with a strong water jet or treat with insecticidal soap; beneficial predators such as ladybirds give good biological control.
The reasons guatemalan blue sage isn't blooming
Almost every non-blooming guatemalan blue 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 guatemalan blue 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 guatemalan blue sage to flower
- Maximise sun. Give guatemalan blue 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 guatemalan blue sage and get the feeding right with the guatemalan blue 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
Guatemalan Blue 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 guatemalan blue sage care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.
Guatemalan Blue Sage blooming — frequently asked questions
Why won't my guatemalan blue sage flower?
Guatemalan Blue 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 guatemalan blue sage bloom?
Give guatemalan blue 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 guatemalan blue sage normally bloom?
Guatemalan Blue 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 guatemalan blue 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 guatemalan blue sage flowering?
Feeding guatemalan blue 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
- Guatemalan Blue Sage care — the full brief (light, water, humidity, problems, pet safety)
- Guatemalan Blue Sage light needs — usually the first thing to fix for flowers
- Guatemalan Blue 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