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Dahlia 'Sincerity'

Dahlia 'Sincerity' is a stunning flowering dahlia that produces an abundance of elegant blooms from summer until autumn. Its long flowering season and reliable performance make it an excellent choice for borders, feature beds, and decorative containers. The beautiful flowers are also ideal for cutting, providing long lasting colour indoors. Easy to grow in a sunny position with fertile, well drained soil, this outstanding variety is a wonderful addition to gardens throughout New Zealand.

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Suited to regions:All regions
Plant type:Bulbs
Height:1.80 m
Spread:80 cm
Flowering time:Summer, Autumn
Tolerances:
Garden uses:Containers, Living areas
Garden styles:Backyard, City & Courtyard, Frontyard, Japanese, Modern
Easy to grow?Yes
Maintenance requirementsSome
Growth rateMedium
Also known as
Sku16941

How to grow Dahlia 'Sincerity' in NZ

Dahlia 'Sincerity' grows best in full sun with fertile, free draining soil enriched with compost before planting. Plant the tubers after the danger of frost has passed and water regularly while new growth establishes. Choose a sheltered position with good air circulation and provide support if flowering stems become heavy. Feed throughout spring and summer with a quality fertiliser to encourage vigorous growth and abundant blooms.

Dahlia 'Sincerity' care tips

Remove faded flowers from Dahlia 'Sincerity' regularly to encourage continuous flowering throughout the season. Water deeply during dry weather while avoiding constantly wet soil. Apply a balanced fertiliser every few weeks during active growth to support healthy foliage and prolific blooms. In colder parts of New Zealand, lift and store the tubers over winter if severe frosts are expected.

Dahlia 'Sincerity' size, spacing, and growth rate

Dahlia 'Sincerity' typically grows to around 90 to 120 centimetres tall with a spread of approximately 50 to 70 centimetres. Space plants about 60 centimetres apart to provide good airflow and allow healthy development. Growth is rapid during the warmer months and flowering continues from summer until autumn when plants receive regular watering, feeding, and deadheading.

Landscaping uses for Dahlia 'Sincerity'

Dahlia 'Sincerity' is ideal for cottage gardens, mixed borders, feature beds, and large patio containers where its graceful blooms provide months of seasonal colour. It combines beautifully with flowering perennials, ornamental grasses, and annuals to create eye catching displays. This variety is also highly valued for cutting gardens because regular harvesting encourages additional flowers while supplying elegant indoor arrangements.

Why buy Dahlia 'Sincerity' from The Plant Company?

The Plant Company is NZ’s most trusted plant nursery, supplying premium quality plants selected for health, vigour, and outstanding garden performance. Every Dahlia 'Sincerity' is carefully grown to thrive in New Zealand conditions and packaged with care before dispatch. Customers receive expert advice, fast nationwide delivery, and exceptional service, making it easy to establish beautiful plants with complete confidence.

Questions and Answers

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