Bluewitch nightshade (Solanum umbelliferum)

Also known as: California nightshade, Bluewitch nightshade

When ripe, the fruits of bluewitch nightshade look like tiny eggplants. However, the plant's alkaloids are poisonous if ingested. Its flowers close into tight balls at night and open up during the day.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Bluewitch nightshade

Lifespan

Perennial

Plant Type

Shrub

Plant Height

61 cm to 91 cm

Spread

60 cm to 90 cm

Leaf Color

Dark green

Flower Size

2.5 cm

Flower Color

Purple

Images of Bluewitch nightshade

Quickly Identify Bluewitch nightshade

To identify Solanum umbelliferum, look for its bright blue to purple star-shaped flowers with yellow centers. The plant has a bushy habit and typically measures 1 to 3 feet in height. The leaves are oval, dark green, and somewhat hairy. Another key feature is the presence of small, round berries that turn from green to yellow or orange as they mature.

Scientific Classification of Bluewitch nightshade

Phylum

Vascular plants

Class

Dicotyledons

Order

Solanales

Family

Nightshade

Genus

Nightshades

Species

Bluewitch nightshade

Planting and Growing of Bluewitch nightshade

Care Difficulty

Easy

Watering Schedule

Every 2 days

Sunlight Requirements

Full sun

Sunshine Duration

4-6 hours

Ideal Temperature

60-75℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Bluewitch nightshade?

Watering Solanum umbelliferum should be done with precision. The goal is to make sure the soil is moist but not waterlogged, allowing the roots to breathe. Approximately 250ml per watering session should suffice in general environments, but feel the soil for moisture before proceeding.

What are the symptoms of an underwatered Bluewitch nightshade? ›

What should I do if my Bluewitch nightshade is not getting enough water? ›

What are the symptoms of an overwatered Bluewitch nightshade? ›

How to save an overwatered Bluewitch nightshade? ›

What Are the Sunlight Requirements for Bluewitch nightshade?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 5 to 8 hours

Solanum umbelliferum ideally requires full sun to partial sun, benefiting from consistent sun exposure that supports robust growth and abundant flowering, crucial for its vibrant, bushy appearance.

How much light does Solanum umbelliferum need? ›

What are suitable locations for Solanum umbelliferum? ›

What are the benefits of ideal lighting for Solanum umbelliferum? ›

More About Sunlight Requirements Techniques→

What Is the Ideal Temperature Range for Bluewitch nightshade?

Ideal Temperature: 60 ~ 75℉

Solanum umbelliferum thrives best in an ideal temperature range of 60 to 75°F. Maintaining this temperature range helps ensure robust growth, flowering, and overall plant health. These temperatures closely mimic the plant's native environment, providing optimal conditions for vital physiological processes and minimizing stress.

What Soil is Best for Bluewitch nightshade?

Soil type: Sandy soil, Loam, Sandy loam

Soil PH: 6.5 ~ 7.5

Solanum umbelliferum thrives in nutrient-rich soils that provide essential minerals for growth. This promotes vibrant foliage and robust flowering. A well-draining soil is crucial for Solanum umbelliferum to prevent root rot. Ensuring good drainage will support healthy root development and longevity. The soil should retain enough moisture to keep the plant hydrated but not waterlogged. This balance helps in maintaining consistent growth and flowering.

How to Fertilize Bluewitch nightshade?

Fertilizer type: Balanced

For Solanum umbelliferum, apply a balanced liquid fertilizer at half the manufacturer's recommended strength. This layer of nutrients should lightly nourish the plant without overwhelming it. Properly mixing and measuring the fertilizer ensures that the delicate roots are protected while promoting healthy growth.

How to Prune Bluewitch nightshade?

Pruning Time: Spring, Summer

Begin with clean, sharp pruning shears to ensure a smooth cut. Start by removing any dead or damaged branches, cutting them all the way back to where they meet the main stem. Next, thin out the interior of the plant to improve air circulation, which can reduce disease risk. Be sure to cut just above a node to encourage new growth. To maintain a desired shape and size for your Solanum umbelliferum, trim back the longer, more vigorous branches. Cut back to an outward-facing bud to direct growth outward, fostering a bushier appearance. This practice not only keeps the plant compact but also enhances its overall aesthetic appeal. More About Pruning Techniques→

How to Propagate Bluewitch nightshade plant?

Propagate Time: Spring,Early spring,Late spring

Begin by filling seedling trays with a well-draining potting mix. Sow the Solanum umbelliferum seeds thinly on the surface of the soil, covering them lightly with additional mix. Mist the soil to maintain moisture levels without over-watering.

Use sterile pruning shears to cut healthy stems about 4-6 inches long, making sure each cutting has several nodes. Remove any leaves from the lower half of the cutting to prevent rot once planted.

Once the seedlings have developed a robust root system, or cuttings have rooted, transplant them into individual pots with a similar soil mix. Acclimate them gradually to outdoor conditions if planning to plant in the garden.

More About Propagating Techniques→

How to Repot Bluewitch nightshade plant?

Repotting frequency: Every 2-3 years

Repotting Solanum umbelliferum is best done when you observe its roots growing out of the drainage holes, or the plant exhibits stunted growth and reduced blooming. This typically indicates that the plant outgrows its container and needs more space.

Select a pot that is one size larger than the current one, made of breathable material like terracotta. This allows excess moisture to evaporate, preventing root rot, and provides sufficient space for root expansion.

Choose a soil mix that is rich in organic matter and drains well, such as a mix with perlite or pumice. This will help prevent waterlogging which can damage the roots and support healthy growth by providing necessary nutrients.

Toxicity

Ingestion

WARNING

The judgment on toxicity and danger is for reference only. We DO NOT GUARANTEE any accuracy of such judgment. Therefore, you SHALL NOT rely on such judgment. It is IMPORTANT TO SEEK PROFESSIONAL ADVICE in advance when necessary.