Naples garlic (Allium neapolitanum)

Also known as: Neapolitan Garlic, Naples Garlic, Ornamental Onion

Naples garlic, scientifically named Allium neapolitanum, is named after the Italian city of Naples, located in its native Mediterranean region. This plant is cherished for its clusters of star-shaped white flowers, making it a favored choice for ornamental use in gardens. Ideal for groundcover, beds, and borders, Naples garlic is also valued for attracting butterflies, thereby supporting local pollinator populations.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Naples garlic

Lifespan

Perennial

Plant Type

Herb

Plant Height

25 cm to 30 cm

Spread

10 cm

Leaf Color

Green

Flower Size

7 cm to 10 cm

Flower Color

White

Images of Naples garlic

Quickly Identify Naples garlic

Clusters of star-shaped white flowers with six pointed tepals.

Leaves are strap-like, up to 12 inches (30 cm) long, emitting garlic scent.

Basal leaves, reaching 20 inches (50 cm) in length, linear and tapering.

Leafless stems up to 18 inches (45 cm) tall, airy and clump-forming.

Flowers emit a mild garlic or onion scent, bloom in spring to early summer.

Scientific Classification of Naples garlic

Phylum

Vascular plants

Class

Monocotyledons

Order

Asparagales

Family

Amaryllis

Genus

Onions

Species

Naples garlic

Planting and Growing of Naples garlic

Care Difficulty

Easy

Watering Schedule

Every 3 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 Naples garlic?

Allium neapolitanum, also known as the Naples garlic or Daffodil garlic, needs approximately 250ml of water per watering session. When watering, the soil should be moistened thoroughly but not waterlogged, allowing water to reach the root depth without causing standing water.

What are the symptoms of an underwatered Naples garlic? ›

What should I do if my Naples garlic is not getting enough water? ›

What are the symptoms of an overwatered Naples garlic? ›

How to save an overwatered Naples garlic? ›

What Are the Sunlight Requirements for Naples garlic?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 6 to 8 hours of sunlight

Allium neapolitanum enjoys full sun to partial sun conditions. The ideal light encourages vibrant blooms and strengthens foliage, ensuring the plant remains healthy and pest-resistant throughout its growing season.

What is the best light condition for Allium neapolitanum? ›

How can I achieve ideal lighting for Allium neapolitanum? ›

What benefits does Allium neapolitanum gain from ideal sunlight? ›

More About Sunlight Requirements Techniques→

What Is the Ideal Temperature Range for Naples garlic?

Ideal Temperature: 60 ~ 75℉

The ideal temperature range for Allium neapolitanum to thrive is between 60°F and 75°F. Within this range, the plant can carry out photosynthesis efficiently, leading to optimal growth and blooming. Staying within this temperature ensures that the enzymatic activities and other physiological processes in the plant are at their most efficient, supporting vibrant flower development and healthy foliage.

What Soil is Best for Naples garlic?

Soil type: Sandy soil, Loam, Calcareous soil

Soil PH: 6.5 ~ 7.5

Allium neapolitanum prefers well-drained soil to prevent bulb rot. Ensuring good drainage improves root health and supports robust growth, allowing for healthy and vibrant flowering. This plant thrives in soil rich in organic matter, which provides essential nutrients and improves soil structure. Incorporating compost boosts fertility and enhances moisture retention, promoting sustained growth. While this plant can tolerate less fertile soils, a moderately fertile environment supports optimal growth. Balancing soil fertility ensures vigorous foliage and blooms, adding aesthetic value to gardens.

How to Fertilize Naples garlic?

Fertilizer type: Balanced

Allium neapolitanum, also known as Naples garlic, benefits from a modest amount of fertilizer. For liquid fertilizers, a diluted solution at half the strength of a balanced 10-10-10 fertilizer is ideal. For slow-release fertilizers, use about 10 grams per square foot applied evenly across the growing area.

How to Prune Naples garlic?

Pruning Time: Spring, Autumn

Use sharp, clean pruning shears to ensure smooth cuts and minimize damage to the plant. Garden gloves are recommended to protect your hands while handling the plant, and a small rake can help collect debris for a tidy finish. Inspect your Allium neapolitanum for yellowing leaves and spent flower stalks. These typically appear after the blooming period and during fall die-back. Target these parts for removal to clear the way for new growth in the upcoming season. Carefully cut the dead or yellow leaves near the base without damaging new shoots or the bulb. Remove flower stalks by cutting them back to a few centimeters above the soil surface after their bloom cycle ends. Ensure you only trim dead parts to avoid unnecessary stress to the plant. More About Pruning Techniques→

How to Propagate Naples garlic plant?

Propagate Time: Spring, Early spring, Late spring

Carefully dig around the clump of Allium neapolitanum bulbs using a garden trowel, ensuring you lift them out gently to avoid damage. Once the bulbs are out, shake off excess soil to have a clear view of the individual bulbs for division.

Inspect the bulbs and gently separate them into smaller clumps using your hands. Ensure each clump has a few healthy bulbs and roots attached. Avoid using force which might damage the bulbs, and discard any damaged or diseased bulbs to prevent future issues.

Select a suitable location in your garden with well-drained soil and adequate sunlight. Plant the divided clumps at the same depth they were previously growing. Water the area thoroughly to help them establish in the new location.

More About Propagating Techniques→

How to Repot Naples garlic plant?

Repotting frequency: Every 2-3 years

Allium neapolitanum needs repotting when roots outgrow the current pot or when the soil becomes compacted, usually every 2-3 years. It's best to repot in spring or autumn when the plant is less stressed by extreme temperatures.

Choose a pot that is just slightly larger than the current one, with ample drainage holes. This allows excess water to escape and prevents root rot, promoting healthier root growth and a more robust plant.

Select a well-draining potting mix that mimics the plant's natural habitat. This ensures that water drains quickly, avoiding waterlogged conditions which could lead to root rot and other issues.

Toxicity of Naples garlic

Is Naples garlic toxic to humans?

Naples garlic exhibits a mild level of toxicity for humans, capable of inducing poisoning if ingested. The entire plant is deemed toxic, and consumption can result in various symptoms. Those who consume portions of naples garlic may suffer from gastrointestinal distress, including nausea, vomiting, and diarrhea. Furthermore, there could be indications of oral irritation, such as a burning sensation felt in the mouth that may extend to the throat. In certain instances, individuals have reported experiencing headaches and dizziness as well. It is crucial for people to exercise caution and avoid unintentional consumption of naples garlic, particularly since every part of the plant contains toxic substances. Although the toxicity is typically mild, the symptoms can be notably uncomfortable and should be taken seriously in order to avert accidental poisoning.

Is Naples garlic toxic to cat?

Allium neapolitanum, often referred to as Naples garlic, is known to have mild toxic effects on cats. Felines might unknowingly consume portions of Naples garlic, leading to poisoning since every part of the plant is harmful. After ingestion, a cat may show physical distress, including gastrointestinal disturbances or other illness-related signs. It is crucial for cat owners to keep a watchful eye on their pets and restrict their access to Naples garlic to prevent potential health complications. If a cat consumes any portion of Naples garlic, prompt veterinary assistance is vital to ensure suitable treatment and address any adverse reactions.

Is Naples garlic toxic to dog?

Allium neapolitanum, widely referred to as Naples garlic, is recognized for its mild toxic properties concerning dogs. This plant can lead to poisoning if accidentally ingested by canines. Every component of the plant, including its leaves, stems, and bulbs, is deemed toxic and represents a health hazard for dogs. Following the ingestion of Naples garlic, dogs might display symptoms like gastrointestinal distress, excessive drooling, nausea, or abdominal discomfort. It is essential for dog owners to keep a vigilant eye on their pets and restrict their access to Naples garlic to prevent unintended consumption. Should a dog ingest any part of Naples garlic, seeking prompt veterinary attention is crucial to ensure effective treatment and management of any possible poisoning.

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.

More About Toxic Techniques→