How to Grow Pacifica White
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Pacifica White
Chrysanthemum × morifolium 'Pacifica White'
flowerPacifica White is a florist-quality chrysanthemum cultivar known for producing abundant, pure white daisy-like blooms on compact, bushy plants. This variety is bred for commercial cut flower production and also performs well as a garden specimen or potted plant. It blooms prolifically in fall and responds well to both indoor forcing and outdoor cultivation.
When should you plant Pacifica White in your zone?
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Example Pacifica White timeline · Pittsburgh, PA (Zone 6b)
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Plant Pacifica White
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Pacifica White blooms
Around Jun 26≈ 70 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Pacifica White dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 4-9; hardy perennial in zones 5-9, grown as annual in colder zones
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Seedling
2-3 weeksTiny seedlings with cotyledons and first true leaves emerge. Plant is very delicate.
Maintain high humidity and consistent moisture. Provide bright light but avoid direct intense sun. Keep soil warm (70-75°F). Thin seedlings or transplant to individual cells when first true leaves appear.
Vegetative Growth
6-8 weeksPlant develops multiple stems and increasingly compound foliage. Bushy growth with no flower buds visible yet.
Pinch off terminal buds when plant is 6 inches tall to encourage branching. Repeat pinching every 2-3 weeks until late August (for fall bloom). This creates a fuller, more compact plant with more flowers. Fertilize biweekly with balanced fertilizer.
Flower Bud Formation
3-4 weeksFlower buds begin forming at stem tips. Plant stops elongating as energy shifts to reproductive growth.
Stop pinching immediately to allow bud development. Provide consistent day/night temperatures (60-70°F ideal). Reduce nitrogen fertilizer and increase phosphorus to support flowering. Ensure adequate light to prevent bud drop.
Blooming
4-6 weeks (flowers last 2-3 weeks per bloom)Pure white daisy-form flowers open in succession over weeks. Multiple flower heads bloom simultaneously, creating a showy display.
Remove spent flowers regularly (deadheading) to encourage continued blooming. Reduce fertilizer application. Maintain consistent watering but allow soil surface to dry slightly between waterings. Support tall stems with stakes if needed.
Post-Bloom/Dormancy
Variable; winter dormancyFlowers fade and drop. Foliage remains green but plant slows growth. Plant can be cut back for next season or removed.
Cut plant back to 6-12 inches after first frost or in spring. In mild zones, plants may regrow as perennials. Divide established plants every 2-3 years. In cold zones, overwinter in cold frame or treat as annual.
Common Pests
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Increase humidity, spray foliage with water, use insecticidal soap, or introduce predatory mites. Avoid overhead watering once spider mites appear.
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Spray with strong water stream, use insecticidal soap, neem oil, or beneficial insects like ladybugs. Remove heavily infested shoots.
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Use yellow sticky traps, insecticidal soap, neem oil, or reflective mulches. Ensure good air circulation around plants.
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Improve air circulation, avoid wetting foliage, apply sulfur dust or fungicide. Remove infected leaves. Avoid overhead watering.
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Remove infected leaves, improve drainage and air circulation, avoid wetting foliage, apply fungicide if severe. Water at soil level only.
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and
Remove by hand (especially at night), use beer traps, apply diatomaceous earth, or use copper tape barriers around pots.
Uses
Edible flowers
CulinaryChrysanthemum petals are edible and used in some cuisines, particularly Asian cooking, where they add a mild, slightly sweet flavor and attractive garnish to salads, soups, and herbal teas. [source]
Traditional herbal medicine
MedicinalChrysanthemums have been used in traditional Chinese medicine for centuries to reduce inflammation, promote circulation, and support immune function. Modern herbal medicine still incorporates chrysanthemum tea for general wellness. [source]
Cut flower and floral design
HouseholdPacifica White is a premium cut flower cultivar widely used by florists for wedding arrangements, funeral wreaths, mixed bouquets, and commercial floral displays due to its reliability, longevity, and pure white color. [source]
Dried flowers and flower crafts
CraftWhite chrysanthemum blooms dry beautifully while retaining color and form, making them ideal for dried flower arrangements, wreaths, pressed flower crafts, and other long-lasting floral projects. [source]
Pollinator support
WildlifeChrysanthemum flowers attract bees, butterflies, and other beneficial insects in fall when native food sources are scarce, making them valuable for supporting pollinator populations in gardens. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
For cut flowers, harvest stems in early morning or late evening when flowers are fully open but petals are firm. Cut stems at a 45-degree angle, remove lower leaves, and place in clean water immediately. Flowers last 10-14 days in a vase. For garden deadheading, pinch or cut spent flower heads just below the bloom.
Fun Facts
- 🌱 Chrysanthemums are the national flower of Japan and hold deep cultural significance; the Imperial Seal of Japan features a 16-petaled chrysanthemum.
- 🌱 Pacifica White and other chrysanthemums are short-day plants, meaning they flower when day length is 12 hours or less, which is why they bloom naturally in fall and are associated with autumn in many cultures.
- 🌱 Commercial growers use sophisticated timing and light manipulation to force chrysanthemums to bloom at specific times year-round, making them the second most popular cut flower in the world after roses.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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