Sweet Alyssum (Lobularia maritima)

Common names:
Give a thumbs up Sweet Alyssum
Give a thumbs up Seaside Lobularia
Give a thumbs up Sweet Alison

Botanical names:
Lobularia maritima Accepted
Alyssum maritimum Synonym

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Annual
Sun Requirements: Full Sun
Water Preferences: Mesic
Dry Mesic
Dry
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Plant Height: 3 to 8 inches; most cultivars are 3 to 4 inches
Plant Spread: 12 to 18 inches
Flowers: Showy
Fragrant
Flower Color: Lavender
Pink
White
Bloom Size: Under 1"
Flower Time: Late winter or early spring
Spring
Late spring or early summer
Summer
Late summer or early fall
Fall
Uses: Will Naturalize
Wildlife Attractant: Bees
Propagation: Seeds: Provide light
Self fertile
Needs specific temperature: about 70 degrees F
Days to germinate: 8 days
Depth to plant seed: shallow, about 1/4 inch
Sow in situ
Start indoors
Can handle transplanting
Pollinators: Various insects
Containers: Suitable in 3 gallon or larger
Suitable for hanging baskets
Miscellaneous: Monoecious

Growing and spreading on pond pebble landscaping.

What's Blooming in November:  A Call for Photos from Warm Climate GardenersWhat's Blooming in November: A Call for Photos from Warm Climate Gardeners
By LarryR on November 15, 2011

Here at Cottage-in-the-Meadow Gardens, our outdoor gardens are in their last-hurrah stage as frost creeps across the landscape. As you'll see, there are still a few hardy stragglers outdoors, but for the most part, our gardens have been put to bed for the coming winter. This time of year presents a perfect opportunity for gardeners in warmer climes to show us what's blooming in their gardens. Floridians, Californians, Aussies, Kiwis, gardeners anywhere in the Southern Hemisphere or the southern reaches of the Northern Hemisphere, show us your blossoms! I'll publish as many photos as time and space allow.

(Full article44 comments)
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Photo gallery:
Date: 2004-10-26Growing and spreading on pond pebble landscaping.
By Fleur569
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Location: My gardenDate: 2019-12-28
By piksihk
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Location: my garden Date: 2018-01-01
By piksihk
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Location: My garden in SoCal.Date: 2019-01-03
By _Bleu_
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Location: ILDate: 2008-07-08
By molanic
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Location: CanadaDate: 2017-09-07
By Prosedda
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Image
By HemNorth
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Location: RHS Harlow Carr, Yorkshire, UKDate: 2020-06-27
By kniphofia
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Location: West Valley City, UTDate: 2012-07-15
By Zencat
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 Courtesy Outsidepride
By vic
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Location: Athol, MADate: 2017-07-22
By joannakat
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Location: Athol, MADate: 2017-08-20
By joannakat
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Location: My gardenDate: 2019-11-16
By piksihk
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Location: West Valley City, UTDate: 2012-07-15
By Zencat
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Location: My garden in Kalama, Wa. Zone 8Date: 2009-09-23
By Joy
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Location: HoustonDate: 2014-05-18
By jmorth
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Location: HoustonDate: 2014-05-18
By jmorth
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Location: central IllinoisDate: 2014-07-03
By jmorth
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Credit NPS
By admin
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Location: West Valley City, UT
By Zencat
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Location: Wilmington, Delaware USADate: 2020-06-28The flowers are sweetly fragrant
By Gerris2
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Location: Wilmington, Delaware USADate: 2020-06-28Clouds of solitary Hymenoptera may be found at the flowers
By Gerris2
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Location: Downingtown, PennsylvaniaDate: 2020-08-21annual in bloom
By ILPARW
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Location: Chester Springs, PennsylvaniaDate: 2020-10-15three plants in a big pot
By ILPARW
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Comments:
Posted by wildflowers (North East Texas - Zone 7b) on Dec 5, 2011 6:18 PM

Direct seed or set out starts of sweet alyssum near plants that have been attacked by aphids in the past. Alyssum flowers attract hoverflies whose larva devour aphids. Another plus is that their blooms draw bees to pollinate early blooming fruit trees. They will reseed freely and make a beautiful groundcover every year.
A hardy annual, native to Southern Europe, but has naturalized throughout the United States.

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Posted by Catmint20906 (Maryland - Zone 7a) on Aug 1, 2014 7:02 PM

Lobularia maritima (Sweet Alyssum) serves as a larval host plant for the Cabbage White and Checkered White butterflies.

Sweet Alyssum also reportedly attracts a variety of beneficial insects to the garden including:

--Ladybugs, which feed on aphids, mealybugs, soft scales, and spider mites

--Mini-wasps, which feed on aphids, armyworms, codling moths, European corn borer, flies, gypsy moths, cabbageworms, and many other caterpillars and insects

--Pirate, Damsel, and Bigeyed Bugs, which feed on a variety of insects including small caterpillars, leaf hopper nymph, spider mites, thrips, insect eggs, aphids, tarnished plant
bugs, thrips, and treehoppers

--Assassin bugs, which feed on many different caterpillars and flies

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Posted by Mindy03 (Delta KY) on Sep 20, 2011 4:35 PM

Honey bees get nectar and pollen from this plant

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Posted by Ispahan (Chicago - Zone 6a) on Aug 21, 2012 7:14 PM

The fragrance of this plant is honey-like and charming, especially when wafting on a summer breeze, but it is extremely vigorous and can easily overwhelm and smother smaller plants. I planted it because it is said to attract bees and hover flies, but the bees in my area ignore it in favor of more attractive nectar sources like basil, agastache and Russian sage. Occasionally I will see tiny sweat bees and common house flies on the blooms.

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Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Oct 30, 2020 12:20 PM

This short forb from southern Europe is commonly used as an annual in the northern US & southern Canada. It is sold by most every conventional garden center or nursery in the annuals section. It is cold hardy for an annual and it takes a real cold spell to kill it rather than just some frosts. It can be planted outside in early spring in March, as it loves cool weather, and also sunny. It suffers from the heat and humidity of summer or too many wet, cloudy days, but normally survives and revives in autumn and can last into December. It is often used as an edging plant along borders. I often used it as the shortest annual along edges, followed by the taller Ageratum (Floss-flower) then to Marigolds or Madagascar Vince to Red or Blue Salvias to something really tall as Cannas, Spiderflowers, or Tender Fountaingrass. The are at least 10 cultivars of Sweet Alyssum offered with flowers usually white, but pink or light lavender or purple are also available, all with the strong sweet scent, and cultivars are only about 3 to 4 inches high. 'New Carpet of Snow, Rosie O'Day (pink), and Royal Carpet' (purple) are old time favorites; but very similar newer cultivars like them are also offered.

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Plant Events from our members
piksihk On November 19, 2019 Bloomed
piksihk On January 1, 2018 Bloomed
still blooming thus far in cold;
piksihk On January 16, 2017 Seeds sown
round bed & port. bed
piksihk On January 1, 2015 Bloomed
front bed
lovesblooms On May 11, 2015 Seeds sown
direct
LizDTM On September 29, 2017 Plant emerged
LizDTM On September 25, 2017 Seeds sown
Naturescape30 On June 1, 2018 Obtained plant
» Post your own event for this plant

Discussion Threads about this plant
Thread Title Last Reply Replies
Not Alyssum spinosum 'Roseum' by growitall Apr 21, 2014 8:20 PM 6
what is this tiny plant w tiny flowers? by zachww1014 Oct 8, 2019 3:18 PM 3
What Plants are These? by Feravel Dec 3, 2018 11:22 AM 6
Floral Alphabet Soup! A cornucopia of images from your garden! by KatEnns Dec 9, 2017 5:47 PM 82
Weed ID, Please by DogsNDaylilies Sep 11, 2017 1:36 PM 11
Small White Garden Flower Identification by Hulio Aug 13, 2017 7:41 AM 3
Another beautiful interloper! ID help please? by joannakat Jul 23, 2017 8:51 AM 11
What is this? by Michelezie May 21, 2017 5:02 PM 4
White Flower Border by evelyninthegarden May 13, 2019 11:19 PM 88
2017 orders by Lestv Sep 18, 2017 10:45 AM 1,756

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