Pinguicula caerulea
🌸flower (1)

Pinguicula caerulea

Blue-Flower Butterwort · Blueflower butterwort

Tier 1 Difficulty: hard Water: high Light: partial_sun
Temperature
15–35 °C
Soil pH
5–6
Hardiness
Zone 8–9
Click count
8
Observations
16

Description

Source: leafsnap

Pinguicula caerulea, commonly referred to as blue butterwort, blueflower butterwort, or violet butterwort, is a flowering plant species in the carnivorous butterwort (Pinguicula) genus and bladderwort family (Lentibulariaceae). It is a perennial dicot. It grows in moist sandy pineland habitat in the south-east USA. Caerulus is Latin for from the sky or sea and refers to the color of the flowers.

Care Guide

💧 Water
☀️ Light Partial sun

Blueflower butterwort is native to sunny habitats, including open bogs and sunlit wetlands. It prefers full sun but can also tolerate partial sun.

Ideal: Partial sun
FAQ
What are the sunlight requirements for a Blueflower butterwort (Pinguicula caerulea)?

The Blueflower butterwort (Pinguicula caerulea) requires full shade conditions, meaning it should receive less than 3 hours of sunlight daily. It's important to observe the way sunlight moves through your garden to find spots that offer a good balance of light and shade. This careful placement ensures the plants' happiness and health.

🌡️ Temperature 15–35°C

Blueflower butterwort prefers moderate temperatures, about the range people generally find comfortable. It does best in conditions that are neither too hot nor too cold. The primary concern with high temperatures is sunburn, so providing some shade in summer is recommended to prevent overheating. When temperatures fall, Blueflower butterwort goes dormant. If you want it to keep growing continuously, you need to keep temperatures higher during winter. Frost can damage the plant and should be avoided.

Ideal temperature: 15–35°C
💨 Humidity
Humidity:
🪴 Soil 5-6
Soil pH: 5-6
🌱 Fertilizer
🪴 Pot & Repot 2-3 years

When repotting Blueflower butterwort, select a pot 1-2 inches (2.5–5.1 cm) larger with ample drainage. Use a well-draining potting mix. Repot in spring or fall, ensuring that the root ball is slightly lower than the rim of the flower pot. Water thoroughly after repotting and place in a warm spot with indirect sunlight.

Suggested frequency: 2-3 years
✂️ Pruning

The Blueflower Butterwort is known for its striking blue flowers and carnivorous leaves. For best results, prune lightly in early spring to remove any dead or damaged leaves, which will improve both growth and appearance. Be careful not to prune too heavily, as this can cause stress to the plant. Regularly removing leaves helps increase air circulation, which reduces the risk of pests and diseases and encourages blooming.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Herb
Life Cycle
Perennial
Genus
Pinguicula
Family
Lentibulariaceae
Hardiness Zone
8-9
Mature Height
0 cm to 30 cm
Mature Spread
3 cm to 8 cm
Leaf Color
Green
Leaf Type
Deciduous
Flower Color
Blue
Flower Size
2.54 cm
Bloom Time
Early spring, Mid spring
Planting Time
Spring, Summer
Harvest Time
Late spring, Early summer

Tags (4)

Common Names (2)

en Blue-Flower Butterwort
en Blueflower butterwort