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Petunia 'Frenzy Grand Rapids'Petunia multiflora 'Frenzy Grand Rapids

Half-hardy Annual

What is Half-Hardy Annual?
A plant that completes its entire life cycle (growth, reproduction, death) in one season.
Can be grown outdoors but requires winter protection from frosts and temperatures below 0C.

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Flowers from early summer to first frost

Large blooms in stunning shades of purple and white

Perfect for pots baskets and window boxes


Height Up to 40cm (16in)
Spread Up to 40cm (16in)

Half-hardy Annual

patiocottage gardenslow maintenance garden

full sun

Flowering Months

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Petunia ‘Frenzy Grand Rapids’ is sure to make your window boxes the envy of the neighbourhood! Enjoy huge blooms in an enchanting array of purple and white shades from early summer until the first frost. Masses of long-lasting flowers make ‘Frenzy Grand Rapids’ a fantastic choice for low-maintenance, high-impact containers and baskets that just keep giving. These petunias will form compact, bushy plants that are tough enough to bounce back after even the heaviest of summer showers! Our garden-ready plants are perfect for those with limited time, so choose ‘Frenzy Grand Rapids’ for glorious, hassle-free summer bedding this year. Height: 40cm (16in). Spread: 40cm (16in).

15 Garden Ready Plants (KC8071)
30 Garden Ready Plants (KC8072)

How to Grow

Best in containers but also suitable for beds and borders. Choose a sheltered spot in full sun and plant in a fertile, moist but free-draining compost. Ensure plants do not dry out in hot weather.  


Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £2.99.

Orders which include any other products will incur a delivery charge of £5.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.99 will apply - regardless of the number of items ordered.

Large items may incur a higher delivery charge - this will be displayed in your shopping basket.

Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations.

For more information on how we send your plants please visit our Helpful Guide on plant sizes.

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