Blue

Blue hosta varieties for the perennial garden

Blue hosta varieties for the perennial garden
  • 1798
  • Michael Williams

Here is a list of our favorites among the blue hosta plant varieties that we offer.

  1. Which hosta is the bluest?
  2. What is the largest blue hosta?
  3. How big do blue hostas get?
  4. Are blue hostas really blue?
  5. Why did my blue hosta turn green?
  6. Can blue hostas take full sun?
  7. How often should you split hostas?
  8. What can I plant with blue hostas?
  9. What is the best fertilizer for Hosta?
  10. What time of year do you split hostas?
  11. Is Epsom salts good for hostas?
  12. How far apart do you space hostas?

Which hosta is the bluest?

'Popo' and 'Baby Bunting' are the bluest of the miniatures. These tiny selections sport leaves that are bluish-green on delightfully compact mounds.

What is the largest blue hosta?

There's actually a record-holding 'Sum and Substance' hosta plant that measures 114 inches (nearly 10 feet) across and stands 48 inches high. Another giant hosta well-known for its gargantuan size is Hosta 'Empress Wu. ' This oversize charmer forms a can't-miss clump—up to 48 inches tall by 70 inches across.

How big do blue hostas get?

Plants grow 12 to 24 inches tall and spread 24 to 36 inches across. Thick leaves boast strong slug resistance, along with a richly textured surface. The blue color remains strongest when 'Big Daddy' hosta is in shady conditions, although the blue fades to green as summer wears on.

Are blue hostas really blue?

Blue hosta varieties aren't technically blue. The plants' leaves are covered in a wax-like coating, which makes them appear to have that blueish hue. This is also described as “glaucous,” which is Latin for greyish blue and used to describe plants with those tones or others that are blue-green.

Why did my blue hosta turn green?

Most blue-leafed hostas become green at some time during the growing season when their waxy surface is not as reflective as it once was. The wax seems to almost melt off with exposure to hot sun, harsh watering, or some pesticide sprays.

Can blue hostas take full sun?

Hosta varieties with extensive white coloration or with thin leaves are likely to burn in full sun. In general, blue-leaf hostas require shade, while those with fragrant flowers, gold or yellow foliage or slight white variegation can tolerate more sun.

How often should you split hostas?

You'll know your hostas need to be divided when they get too crowded and the center of a clump starts to die out. As a general rule, count on dividing the plants every three to four years to keep them at their healthiest.

What can I plant with blue hostas?

Most shady perennials like astilbes (Astilbe spp. and cvs., USDA Hardiness Zones 3–8) and meadow rues (Thalictrum spp. and cvs., Zones 3–10) are excellent color companions for hostas, but they bloom only for a few weeks. Use shade-tolerant annuals like impatiens (Impatiens walleriana cvs.), nicotiana (Nicotiana spp.

What is the best fertilizer for Hosta?

The best hosta plant food is a slow release NPK 10-10-10 fertilizer. Those three numbers stand for the amount of Nitrogen, Phosphorus, and Potassium in the fertilizer. Slow release fertilizers feed the plant each time it rains or the plant is watered.

What time of year do you split hostas?

Two times of year provide the best conditions for digging and transplanting hostas: early spring or early fall. Either timeframe yields roughly a four-week window that's ideal for splitting hostas. Wait too long in spring, and your recently dug hostas will encounter hot summer temps, which reduce chances of survival.

Is Epsom salts good for hostas?

Can I use Epsom Salt on hostas? Yes! Epsom Salt is full of magnesium. It will give your hostas a great boost if applied to the ground or the leaves.

How far apart do you space hostas?

To fill in areas, you should space large hostas about 30 to 36 inches apart, medium-sized hostas 18 to 24 inches apart, small hostas at 12 to 18 inches and the dwarf varieties closest at 6 to 8 inches. Even when spaced appropriately, hostas can outgrow their space and need thinning if they appear crowded.

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