Calendula 'Ivory Princess'
Calendula officinalis

SKU # S1325

Product Type: Seed Packet

Approximate Seeds Per Packet: 101

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$3.25

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Direct Gardening Association’s Green Thumb Award Winner in 2017

Butter yellow buds open to reveal snow-white petals brushed with yellow on the reverse. This double-flowered form is tall, graceful, and easy to grow. Calendula makes a floriferous addition to spring and fall gardens in warmer areas and adds all season color in cooler summer areas. Deadhead for continued bloom.

Lifecycle: Annual

Hardiness: Hardy Annual

Size: 2-2.5' h x 1' w

Sun: Full sun

Soil: Regular to rich, well-drained

Season: Spring to fall

Seed to Bloom: 12-14 weeks

Color: Creamy white changing to yellow towards the brown center

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HOW TO GROW Calendula officinalis

Sowing Instructions

Depth: 1/4"
Sprout Time: 5-14 days
Starting Indoors: Start in containers 4-6 weeks before last spring frost. Germinate at 65-70°F, then grow at 55-60°F.
Starting Outdoors: Recommended. Direct sow in early to mid-spring, just before the last average frost, and again in midsummer for fall bloom; early autumn only in mild winter areas (zones 8-10).
When to Set Outside: In springtime, after frost.

Placement & Cultivation

Calendula Ivory Princess is an easy-to-grow selection for children's gardens, a valuable companion plant in vegetable gardens, an edible and medicinal wonder, and lovely in bouquets–especially paired with cornflowers. For sure success, deadhead regularly. Calendulas love cool weather; if they flag in heat, cut back by 1/3 and add a side dressing of compost to revive them for a fall show.
Final Spacing: 1'
Water Use: Medium Water Use
Watering Details: About 1" per week, moderate tolerance to dry soils once established.
Soil pH: Slightly acidic to neutral
Fertilizer: Mix in 1-2" of compost when planting into low fertility soils.
Diseases & Pests: Calendula can be susceptible to powdery mildew—prevent by growing in a good airy location. If mildew is detected, treat it with an organic fungicide. Aphids and tarnished plant bugs may be present—control aphids with sprays of water or insecticidal soaps that also control tarnished plant bugs. Snails and slugs may damage young seedlings. If these pests are present, treat the surrounding soil with iron phosphate pellets. The virus aster yellows, transmitted by leafhoppers, is characterized by twisted growth, pale green leaves, and deformed blooms. Pull up and discard and treat the garden for leafhoppers.
When to Cut For Bouquets: Wait until flowers have fully opened

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25 of 25 people found the following review helpful

Calendula Ivory Princess is Beautiful Sunday, June 28, 2020

By Kentwood, MI

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Planted these seeds in our vegetable garden to help with aphid control but also as part of our red/white/blue flower theme. Every seed sprouted into a plant. First bloom is as beautiful as the photos advertised.

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Calendula 'Ivory Princess'
Calendula officinalis

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HOW TO GROW Calendula officinalis

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Calendula 'Ivory Princess' Calendula officinalis

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HOW TO GROW Calendula officinalis

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Placement & Cultivation

Ratings & Reviews

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Calendula 'Ivory Princess'
Calendula officinalis