Fertilising guide

How to fertilise Bolero Painted Tongue (Salpiglossis sinuata)— schedule & NPK

Also called Painted Tongue, Velvet Trumpet Flower, Chilean Salpiglossis.

More about bolero painted tongue

About Bolero Painted Tongue

Salpiglossis sinuata · also called Painted Tongue, Velvet Trumpet Flower · flowering

Painted Tongue is a cool-season annual from Chile bearing velvety, trumpet-shaped flowers in rich purples, reds, and golds with intricate veining. It excels in cool spring and autumn gardens with bright indirect light. Classified as mildly toxic due to its membership in the Solanaceae family; keep away from pets and children.

Growth habit: Upright, branching cool-season annual

What fertiliser bolero painted tongue actually wants — and why

Bolero Painted Tongue is a heavy-blooming flower with a big appetite — a regular high-potash feed through the season is what drives a long, dense display.

A high-potassium ("high-potash") flowering feed — tomato-style or a dedicated bloom/rose feed. Potassium powers flowering; a high-nitrogen feed gives you a leafy plant with disappointing bloom.

For the language behind the three numbers on the bottle — what nitrogen, phosphorus and potassium each do — see the NPK ratio explained entry. The short version for bolero painted tongue: match the feed to the job the plant is doing right now, not to a generic “plant food” on the shelf.

How often to feed bolero painted tongue, and which months

Feeding only earns its keep while the plant is in active growth and can use the nutrients — pour feed into a dormant or low-light plant and it simply builds up as root-burning salt. For bolero painted tongue:

Feed every two weeks during the growing season with a high-potash liquid fertiliser (e.g., tomato feed) to encourage prolific flowering. Avoid high-nitrogen feeds, which promote lush foliage at the expense of blooms. For a hungry bloomer that means feeding regularly — sparingly through the growing season — right through flowering across the main season (spring through early autumn), tapering as blooming ends.

The dormant-season rule matters more than the exact interval: skip feeding entirely when bolero painted tongue is resting. For the wider context on indoor feeding rhythms across the seasons, the houseplant fertiliser schedule walks through the year month by month.

What strength to mix for bolero painted tongue

Follow the flowering-feed label rate for bolero painted tongue, or half strength if feeding very frequently. These plants genuinely use the nutrients — under-feeding shows up fast as a thin display.

Feeding always goes onto already-damp soil, never dry roots — water bolero painted tongue first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the bolero painted tongue watering schedule.

Signs you are over-feeding bolero painted tongue

Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for bolero painted tongue:

Lots of lush leaves but few flowers (too much nitrogen).
Scorched leaf edges and salt crust from too-strong or too-frequent feeds.
Soft, sappy growth prone to aphids and mildew.

Signs you are under-feeding bolero painted tongue

Sparse, small, short-lived flowers and pale foliage.
A tired plant that stops blooming early in the season.
Weak growth and poor repeat-flowering after the first flush.

If the symptoms point at watering, light or roots rather than nutrition, the full bolero painted tongue care brief covers soil, humidity and the common problems for this species.

Flushing and leaching the salts

Container-grown bolero painted tongue accumulates feed salts fast with frequent feeding — water until it drains each time and flush pots with plain water every few weeks to prevent scorch.

Organic vs synthetic feeds for bolero painted tongue

Organic options

A liquid comfrey or seaweed feed (naturally potassium-rich) plus compost or well-rotted manure as a mulch. UK: comfrey feed, organic Tomorite, or rose feed; US: Espoma Rose-tone or Neptune's Harvest. Feeds and improves soil.

Synthetic / liquid feeds

A high-potash flowering feed on a regular cadence — UK: Tomorite (Levington), Phostrogen or a specialist rose feed; US: Miracle-Gro Bloom Booster or a rose food. Fast, reliable bloom response.

Brand names are examples, not endorsements, and UK and US ranges differ — check the label’s own NPK and dilution rate, since formulations change.

Fertilising bolero painted tongue — frequently asked questions

What fertiliser does bolero painted tongue need?

A high-potassium ("high-potash") flowering feed — tomato-style or a dedicated bloom/rose feed. Potassium powers flowering; a high-nitrogen feed gives you a leafy plant with disappointing bloom. Bolero Painted Tongue is a heavy-blooming flower with a big appetite — a regular high-potash feed through the season is what drives a long, dense display.

How often should I feed bolero painted tongue?

Feed every two weeks during the growing season with a high-potash liquid fertiliser (e.g., tomato feed) to encourage prolific flowering. Avoid high-nitrogen feeds, which promote lush foliage at the expense of blooms. Feed every two weeks during the growing season with a high-potash liquid fertiliser (e.g., tomato feed) to encourage prolific flowering. Avoid high-nitrogen feeds, which promote lush foliage at the expense of blooms. For a hungry bloomer that means feeding regularly — sparingly through the growing season — right through flowering across the main season (spring through early autumn), tapering as blooming ends.

What strength of feed for bolero painted tongue?

What does over-feeding bolero painted tongue look like?

Lots of lush leaves but few flowers (too much nitrogen). Scorched leaf edges and salt crust from too-strong or too-frequent feeds. Soft, sappy growth prone to aphids and mildew. Using a high-nitrogen general feed on bolero painted tongue is the headline mistake — you grow a big leafy plant with few flowers. The second is simply under-feeding a genuinely hungry bloomer and getting a sparse, short display.

Should I flush the soil of bolero painted tongue?