About
Ms Mars Improved' is a compact, branching annual to 60cm tall with purple-flushed, oval to heart-shaped leaves. Flowers up to 15cm across borne from summer into early autumn have very dark centres surrounded by deep pink-red petals the outer tips of which are cream coloured.
About the genus
Helianthus can be tall, erect annuals, tuberous or rhizomatous perennials, with coarse simple leaves and large daisy-like flower-heads
Growing conditions
SunlightFull sun
Soil typeChalk, Clay, Loam, Sand
Soil pHAlkaline, Neutral
Soil moistureMoist but well-drained
AspectWest-facing, South-facing
ExposureExposed, Sheltered
UK hardinessH4
Plant details
Plant typeAnnual Biennial, Bedding
HabitBushy
FoliageDeciduous
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height1-2 years
Suggested usesCottage and informal garden, Patio and container plants, Wildlife gardens
Care notes
CultivationGrow in moderately fertile, neutral to alkaline, humus-rich, moist but well-drained soil in full sun. Ideal for growing in containers. The flowers attract bees and other insects, and the edible seeds provide food for birds, especially finches
PruningNo pruning required
PropagationPropagate by seed or division. Divide established clumps every 2-4 years to both increase plants and retain vigour. See sowing seeds indoors for further advice
Pest resistanceMay be susceptible to slugs and snails
Disease resistanceMay be susceptible to powdery mildews