Sneezewort<\/strong> and grows in damp meadows \u2014 this means Marshmallow tolerates wetter soils much better than standard Yarrow.<\/p>\nThe botanical and visual differences between the two species are significant: where Achillea millefolium has finely divided, feathery, fern-like foliage and broad flat-topped corymb flower heads, Achillea ptarmica has narrow, lance-shaped, slightly serrated leaves and small, individually rounded flower heads borne in loose branching clusters. The Marshmallow cultivar takes this naturally rounded flower head and doubles it \u2014 producing highly double white flowers on compact plants with a pom-pom appearance that gives the variety its evocative name.<\/p>\n
This plant grows from rhizomes \u2014 underground stems \u2014 and will slowly spread to form a generous clump, giving plenty of material to divide and share after a few years. The rhizomatous habit distinguishes it further from Achillea millefolium, which is primarily a taproot-forming species. In a garden bed, established Marshmallow plants gradually expand laterally, creating an increasingly productive colony of flowering stems rather than a single fixed clump.<\/p>\n
The practical value of Achillea ptarmica ‘Marshmallow’ in cut flower<\/strong> work has been recognized for generations. It is unmatched as a cut flower filler<\/strong> \u2014 lasting well in water and drying beautifully for winter arrangements. It provides the essential white noise in a border, breaking up bold colors and knitting planting schemes together.<\/p>\nThe small, perfectly spherical double flower heads are precisely the size and form that works as a filler alongside larger focal flowers \u2014 big enough to be individually noticeable but small enough not to compete with the focal blooms. In white, this makes Marshmallow the yarrow equivalent of white gypsophila or white waxflower \u2014 but with the practical advantage of longer vase life and more structural integrity.<\/p>\n
Bloom time is summer through autumn \u2014 June to September in northern European climates \u2014 with plants attracting bees, butterflies, and other pollinators. Special features include deer resistance and drought tolerance. The plant is an herbaceous hardy perennial in USDA Zones 3\u20138.<\/p>\n
Variety Details<\/h3>\n\n- Botanical Name: Achillea ptarmica<\/strong><\/li>\n
- Variety: ‘Marshmallow<\/strong>‘<\/li>\n
- Common Names: Sneezewort, White Yarrow, Marshmallow Yarrow<\/strong><\/li>\n
- Important distinction: Achillea ptarmica \u2014 NOT Achillea millefolium \u2014 a different species with different flower <\/strong>form, foliage, and soil tolerance<\/strong><\/li>\n
- Seed Type: Open pollinated – pelleted<\/strong><\/li>\n
- Plant Type: Hardy perennial \u2014 flowers first year from seed if sown early<\/strong><\/li>\n
- Family: Asteraceae<\/strong><\/li>\n
- Growth habit: Rhizomatous \u2014 spreads gradually to form expanding clumps<\/strong><\/li>\n
- Flower Color: Double creamy-white \u2014 pom-pom form<\/strong><\/li>\n<\/ul>\n
Key Features<\/h3>\n\n- Achillea ptarmica \u2014 not millefolium \u2014 completely different pom-pom flower form from flat-topped yarrow<\/li>\n
- Double creamy-white spherical flowers resembling tiny marshmallows or popcorn buttons<\/li>\n
- The essential white filler in the cutting garden \u2014 provides white noise between bold focal colors<\/li>\n
- Unmatched as a cut flower filler \u2014 long vase life, dries beautifully, color-stable when dried<\/li>\n
- Compact height of 50\u201370 cm with strong branching stems \u2014 high stem productivity per plant<\/li>\n
- Rhizomatous spreader \u2014 forms expanding clumps, improving in productivity each season<\/li>\n
- Tolerates wetter soils than Achillea millefolium \u2014 more forgiving in Kuwait’s irrigated beds<\/li>\n
- Hardy perennial \u2014 first-year flowering if sown early, permanent garden feature<\/li>\n
- Outstanding pollinator value<\/li>\n
- Deer resistant<\/li>\n
- Seeds require light to germinate \u2014 surface sow<\/li>\n<\/ul>\n
Plant Information<\/h3>\n\n- Height: 50\u201370 cm<\/strong><\/li>\n
- Spread: 40\u201350 cm (expanding with rhizome spread each season)<\/strong><\/li>\n
- Plant Type: Hardy perennial \u2014 first-year flowering if sown early<\/strong><\/li>\n
- Habit: Upright, branching, rhizomatous \u2014 expanding clump-forming<\/strong><\/li>\n
- Flower Form: Small double pom-pom \u2014 spherical, fully double, 1\u20132 cm across<\/strong><\/li>\n
- Flower Color: Double creamy-white<\/strong><\/li>\n
- Foliage: Narrow, lance-shaped, slightly serrated \u2014 different from feathery millefolium foliage<\/strong><\/li>\n
- Soil Tolerance: More moisture-tolerant than Achillea millefolium<\/strong><\/li>\n
- Vase Life: Good fresh \u2014 color-stable when dried<\/strong><\/li>\n<\/ul>\n
Germination Instructions<\/h3>\n\n- Sow on compost surface \u2014 germinates in 1 week at 18\u201320\u00b0C. Light is required for germination.<\/li>\n
- Surface sow onto moist, well-drained seed compost and press gently in without covering.<\/li>\n
- Mist lightly or bottom water to avoid dislodging seeds.<\/li>\n
- Maintain 18\u201320\u00b0C throughout germination.<\/li>\n
- Once seedlings have two true leaves, transplant into individual 8 cm pots and grow on at 13\u201315\u00b0C before outdoor transplanting at 30\u201340 cm spacing.<\/li>\n
- Note on cold stratification: yarrow seeds benefit from a cold period prior to planting \u2014 store seeds in a damp paper towel in a sealed plastic bag in the refrigerator for one month before sowing to improve germination uniformity.<\/li>\n
- For Kuwait<\/strong>, this cold stratification is performed in the household refrigerator in August before the September sowing.<\/li>\n
- For Kuwait<\/strong>: sow indoors in air-conditioned conditions in September for October\u2013November transplanting. The earlier the sowing within the August\u2013September window, the greater the chance of first-year flowering in December\u2013January.<\/li>\n
- As a perennial, plants established in the first cool season will return and improve in the second and subsequent seasons without re-sowing.<\/li>\n<\/ul>\n
Growing Tips<\/h3>\n\n- Grow in full sun to partial shade in moist but well-drained, loamy or clay soil.<\/li>\n
- Unlike Achillea millefolium which prefers dry conditions, Achillea ptarmica tolerates and even prefers more moisture \u2014 though it remains drought tolerant once established.<\/li>\n
- Deadhead to extend the bloom period.<\/li>\n
- Divide every few years to maintain vigor and prevent the center from dying out \u2014 the rhizomatous spreading habit means divisions are readily available from the outer edges of established clumps.<\/li>\n
- For cut flower harvest, cut when the majority of double flowers in the cluster are fully open but before pollen becomes visible.<\/li>\n
- For drying, hang upside down in a warm airy place \u2014 the double white flowers retain their form and color well.<\/li>\n
- In Kuwait’s<\/strong> irrigated raised beds where soil moisture is more controlled than in open ground, Marshmallow’s greater moisture tolerance compared to millefolium varieties makes it easier to integrate into mixed cutting beds without the underwatering concerns that affect the drier-preferring millefolium species.<\/li>\n<\/ul>\n
Gulf Planting Season<\/h3>\n\n- Indoor sowing with refrigerator pre-chilling (optional but recommended): August, sow September<\/strong><\/li>\n
- Germination indoors: September at 18\u201320\u00b0C<\/strong><\/li>\n
- Transplant outdoors: October\u2013November<\/strong><\/li>\n
- Peak flowering season: December to March (first year if sown early)<\/strong><\/li>\n
- Perennial establishment: returns each cool season with increasing stem productivity<\/strong><\/li>\n
- Note<\/strong><\/span>: Yarrow Marshmallow is the only Achillea ptarmica in this catalogue and occupies a unique role that neither Flowerburst Red Shades nor Summer Berries Mix can fill \u2014 the white pom-pom filler.<\/li>\n
- In the Kuwait<\/strong> cool-season cutting garden, all three yarrow varieties serve different and complementary functions: Flowerburst Red Shades provides bold warm-red flat corymbs, Summer Berries Mix provides soft multi-color flat corymbs, and Marshmallow provides the essential white pom-pom filler that ties every arrangement together.<\/li>\n
- The three grown simultaneously in the same bed cover every structural and color need that yarrow-family flowers can provide to the cutting garden.<\/li>\n<\/ul>\n
Garden & Floral Uses<\/h3>\n\n- Marshmallow provides the essential white noise in a border \u2014 breaking up bold colors and knitting planting schemes together.<\/li>\n
- It is unmatched as a cut flower filler, lasting well in water and drying beautifully for winter arrangements.<\/li>\n
- The small spherical double flowers are the perfect scale for filler work \u2014 large enough to register individually in an arrangement but small enough to support rather than compete with larger focal flowers.<\/li>\n
- In bouquets, a few stems of Marshmallow surrounded by lisianthus, ranunculus, anemone, and yarrow in stronger colors creates the visual breathing room that transforms a dense arrangement into something light and elegant.<\/li>\n
- Larkspur and Delphinium: the tall solid blue spikes of these flowers rise beautifully out of the soft white cloud of Achillea ptarmica Marshmallow.<\/li>\n
- Roses: the romance of roses is enhanced by the soft, informal nature of the white pom-poms.<\/li>\n
- In the Kuwait garden, Marshmallow planted in groups of five or more at the back of a raised bed cutting garden alongside the red and colored yarrow varieties, Benary’s Giant zinnia, and ageratum creates a layered cutting garden that provides every structural element needed for mixed bouquet work \u2014 tall focal flowers, medium structural flowers, and the small-scale white filler that completes every arrangement.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
Yarrow Marshmallow the flowers look exactly like tiny marshmallows or popcorn buttons \u2014 a vigorous, cheerful plant that provides the essential white noise in a border, breaking up bold colors and knitting planting schemes together. Unmatched as a cut flower filler, lasting well in water and drying beautifully for winter arrangements. Achillea ptarmica ‘Marshmallow’ is a compact, clump-forming perennial known for its charming double creamy-white pom-pom-shaped flowers and slender green foliage \u2014 a favorite for cottage-style gardens and floral arrangements.<\/p>\n
Repacked in Kuwait<\/span><\/p>\nPacket Size: Contains 25 seeds.<\/strong><\/p>\n","protected":false},"featured_media":10468,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[183,620],"product_tag":[616],"class_list":["post-10467","product","type-product","status-publish","has-post-thumbnail","product_cat-yarrow","product_cat-perennial-seeds","product_tag-new-2026","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/staging.myorganicworld.net\/ar\/wp-json\/wp\/v2\/product\/10467","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/staging.myorganicworld.net\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/staging.myorganicworld.net\/ar\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/staging.myorganicworld.net\/ar\/wp-json\/wp\/v2\/comments?post=10467"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/staging.myorganicworld.net\/ar\/wp-json\/wp\/v2\/media\/10468"}],"wp:attachment":[{"href":"https:\/\/staging.myorganicworld.net\/ar\/wp-json\/wp\/v2\/media?parent=10467"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/staging.myorganicworld.net\/ar\/wp-json\/wp\/v2\/product_brand?post=10467"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/staging.myorganicworld.net\/ar\/wp-json\/wp\/v2\/product_cat?post=10467"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/staging.myorganicworld.net\/ar\/wp-json\/wp\/v2\/product_tag?post=10467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}