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Domestic sunflowers (Helianthus annus) are annual plants, so they must be replanted every year. Other sunflower species, such as the Jerusalem artichoke (Helianthus tuberosus), are perennial plants and do not require replanting.

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โˆ™ 2010-04-19 22:53:21
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Q: Do sunflowers have to be replanted every year?
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Related questions

Do sunflowers have tap roots?

The common garden sunflower (Helianthus annuus) does not have a tap root, and must be replanted every year. Many wild species and some domesticated ones, such as the Jerusalem artichoke, do produce a tap root.

Do classic sunflowers have to be planted every year?

no they dont

What are the plants called that have to be replanted every year?

Plants which grow from seed each year are called annuals.

What two perennial vegetables can produce on their own for several years and do not need to be replanted every year like other vegetables?

Rhubarb and asparagus come back year after year, growing larger and larger and do not need to be replanted every year like other vegetables,

What two vegetables do not have to be replanted every year?

In many temperate areas, asparagus re-sprouts each year.

Do pansies have to be replanted each year?

Pansies are an annual plant. You need to buy new ones every year.

What is the lifespan of sunflowers?

A sunflower is an annual plant. Farmers replant it every year.

Is it true that all vegetables are annual plants and they have to be re grown every year?

There are a couple of vegetables that are perennials and will come back every year, but for the most part vegetables are annuals that need to be replanted every year.

How old does a sunflower get?

In most cases Sunflowers are annuals, so they grow from seed every year.

Can chrysanthemums be replanted?

Chrysanthemums can be replanted.

How many trees are replanted each year?

Over 2.3 billion trees were planted in America last year. I'm not sure, but I think most of them were replanted by forest/logging companies.

What are small and seasonal plants called?

Annuals are plants that need to be replanted every year. Perennials are plants that come up year after year on their own. Some are small, and some are not.

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