When do red spider lilies bloom?

Published:
Updated:

The red spider lily bloom time runs from late August through September. The flowers rise on bare scapes before a single leaf shows up. You get the color first and the foliage later. That is the opposite of how most of your other plants work, so it always feels like a surprise. If you mark one date on your garden calendar for these bulbs, mark the last week of August. That is when you should start watching the bare ground for the first stems to push through.

I had a quiet liriope bed along my back fence that was just green strappy leaves on a Friday afternoon. We got a soaking weekend of rain. By Monday a cluster of coral scapes stood a foot tall right through that foliage. I had to look twice to be sure I planted them. That is how fast these things move.

Here is the cycle that catches most people off guard. In early fall the leafless flower scapes push up first. They often show within days of a heavy rain. This is exactly when red spider lilies flower in your yard, and the bloom holds for about one to two weeks before it fades. Only after the petals drop do the leaves come in. You will see that green foliage in October. It hangs on through winter and then dies back in spring.

The rain link is so strong that gardeners gave the plant a nickname. They call it the hurricane lily. You will hear folks talk about hurricane lily blooming as the rush of scapes that follows a storm. The flowers tend to pop up right after a downpour. The timing is not luck. Fresh soil moisture after a dry stretch seems to wake the bulb. That trigger is what pulls the bloom up out of the ground.

Red Spider Lily Bloom Facts
Bloom Window
Late Aug to September
What Rises First
Bare flower scapes
Leaves Appear
October, after flowers
Scape Height
12 to 18 inches
Flowers Per Scape
Four to seven
First Bloom Wait
Two to three years

Extension sources line up well on the window. NC State Extension and UA Extension both put the bloom from late August to September. The flowers always come before any foliage. The scapes stand 12 to 18 inches tall on their own. Each one carries a small cluster of four to seven flowers. You end up with a bare stem and a firework of red on top. That clean look is the whole reason people grow them.

Now for the part that trips up new growers. If you just planted your bulbs, do not panic when the first fall passes with no flowers. Newly planted bulbs often take two to three years to bloom. The bulb needs that time to build up energy underground before it can spend it on a flower. Plant them in late summer and then leave them alone. Let the foliage die back on its own each spring. That dying foliage feeds the bulb and sets up next year's show, so resist the urge to cut it early. If you mow it down green, you steal the energy your next bloom depends on. Give the leaves a few extra weeks and you will be glad you waited.

Once your clump is established, it becomes one of the most reliable things in the yard. A settled patch flowers every fall like clockwork. A good late-summer rain only makes the display stronger. Skip the urge to dig and move them around. They bloom best when you leave them in the same spot for years. If you want more plants, lift and split the clump in early summer while it is dormant, then replant the bulbs right away. Give them that patience and you get a fresh wave of red every single autumn, right when the rest of your garden starts to wind down for the season.

Read the full article: Red Spider Lily: Care, Meaning, and Facts

Continue reading