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Violet Knight Sweet Alyssum

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Pre-Order for Spring of 2022 - Learn More


Engulf a garden bed or planter in a lush carpet of sweet-smelling flowers when your plant Sweet Alyssum. This perennial plant grows in a mat and can trail up to 24 inches, making it an excellent option for a hanging basket or a ground cover. The tiny 4 petal purple flowers grow in an inflorescence or clusters. This prolific blooming plant will have flowers in the spring and summer and will have so many flowers it can be hard to spot the small green leaves that also adorn the stems.

Violet Knight™ Sweet Alyssum or Lobularia maritima is native to Europe. This plant is prized for its trailing abilities, making it popular to use in containers as a spiller. While Sweet Alyssum really shines in an upright planter or hanging basket, it’s versatile and can also be used in borders, edging, ground cover, landscape, or mass plantings. This plant is temperature tolerant, so exposure to chilly temperatures in the spring and fall or warm temperatures during the peak of summer is not a problem. Violet Knight™ Sweet Alyssum is known to bring butterflies and bees to a space, and it is grown as a perennial in USDA zones 9, 10, and 11. This flowering beauty is grown as an annual in other zones.

Violet Knight™ Sweet Alyssum Plant Care

Violet Knight™ Sweet Alyssum is relatively easy to grow, but this plant prefers evenly moist soil. The plant quickly shows signs of dehydration but will bounce back once it gets a nice, long drink. Plants grown in hanging baskets typically need water daily or every other day, but Sweet Alyssum grown in a basket may need water several times per day on scorching days. This plant needs sun or part sun, so an area with at least 4 hours of sunlight can support this fast-growing bloomer. The more light the plant receives, the faster the soil will dry out, so keep that in mind. Sweet Alyssum prefers rich, loamy soil with a neutral pH. 

Fertilize Violet Knight™ Sweet Alyssum in the spring and feed again using a water-soluble fertilizer in midsummer. Plants in containers can be fed once a month to maintain growth and continue to push out flowers. Pruning is not usually necessary, but this vigorous grower can overtake walkways and beds, so trim it back if it overwhelms a space.

Violet Knight™ Sweet Alyssum Plant Spacing

Violet Knight™ Sweet Alyssum grows 8 to 12 inches tall and almost forms a mat of flowers, so space plants 12 to 18 inches when planting in the ground. The plant typically spreads out about 18 to 24 inches and will fill in the surrounding space. Expect the Sweet Alyssum to trail up to 24 inches for a dramatic look in a container.

Click here for more information on plant container sizes.

Plant Addict Guarantee (Included On All Plant Orders)

Plant Addicts guarantees your plant(s) will arrive happy and healthy, but the plant(s) are being shipped through the mail and accidents happen. If the plant is dead, has dried out roots or the incorrect item was shipped just notify Plant Addicts within 3 days upon delivery. We may ask for pictures but will try to make it as easy as possible for you. Please note plant(s) with damaged branches or wilted leaves will not qualify for this guarantee. Plants are very resilient and will rebound quickly when cared for correctly.

For information on how to care for you new plant please check out our guide. Guide: How to Care for Your New Plant(s)

Plant Addicts Warranty - 1 Year (Extra Purchase Required)

We encourage all plant lovers to purchase the Plant Addicts Warranty whether you’re new or an expert. There are many variables outside our control and yours that can cause the demise of your plant(s). Examples would be hungry animals, drought, poor soil conditions, over watering, disease, insects & many other factors. The Plant Addicts Warranty is a 1 year warranty protecting you from all the unknowns and will replace your plant if it moves on to the plant afterlife.

The warranty is purchased on a per plant basis and must be purchased at the same time as the plant purchase. We will cover 100% of the price of the plant but the warranty does not cover shipping cost. Simply let us know if your plant has died within one year of receiving it and we’ll get you a new one shipped out. We may ask for photos for documentation purposes but again we’ll try to make it as easy as possible.

For more information, please go to our Shipping & Returns page at the bottom of the website.

Guide: How to Care for Your New Plant(s)

Planter Shipping

Standard Colors: 2-3 business days

Special Order Colors: 8 weeks - this is due to the planter being custom made with the color(s) of your choice

Please Note: On special orders there can not be any cancellations

Plant Shipping

Time of Order:

Summer Shipping

  • If there is extreme heat we’ll delay shipping.  
    • We’ll have to review what areas the plants are traveling through along with your location

Once your plant is shipped you’ll receive an email with tracking information. Depending on the above criteria we’ll ship your plant(s) towards beginning of the following week from your order. We put together this helpful guide of what to do when you receive your plants in the mail.

It is important to know that all of our plants are clearly labeled for which growing zones the plant can survive in. The plants are thoroughly trialed and tested in every growing zone before we state the plant can grow in a zone. Again, our #1 priority is to ship the plants to you healthy and ready to thrive in your location. So we will do everything in our power to do so.