How to Care for Snapdragons – Ultimate Guide

How to Care for Snapdragons

Antirrhinum majus, the most representative species of the flower under the common name Snapdragon, is a species of flowering plant belonging to the genus Antirrhinum. This article has all the information that you need about Snapdragons Care.

Are Snapdragons Perennials

Snapdragons are perennials. Therefore this plant only lives for 1 year, during all the cycle and won’t come back at the next year.

Care And Properties

12-20 inches (30 – 50 cm)

snapdragons care and properties


Spring and Summer

antirrhinum majus bloom

Indoor Pre-Cultivation (Seedbed):

Endo of Summer

Outdoor Planting Period

Early Spring

Plant Spacing

12 inches (30 cm)

Special Features

Good food plant for bees, bumblebees, and butterflies. Needs light to germinate

How to Care for Snapdragons: Soil

The substrate indicated for Snapdragon is a “universal substrate” or “substrate for outdoor plants“. Another option is the soil named as “substrate for indoor plants”.

How to Care for Snapdragons: Temperature

The plant thrives in temperatures between 39-50 F (4 to 10ºC) during the night and 64-75 F (18 to 24ºC) during the day.

The recommendation is to grow the snapdragon plants outside, exposed to the full sun. If you wish to keep them indoors for some time, place the Antirrhinum near a window with as much light as possible. Otherwise, its flowers will lose coloration and fall off.

Learn How to Grow Snapdragons from Seed.

antirrhinum majus care temperature

Repotting Snapdragon

Under these conditions, the cultivation time of Antirrhinum from repotting (planting to the pot) and being ready for planting directly in the garden is 8 to 10 weeks.

When to Repot

A perfect time for repotting Snapdragons is during spring. It is recommended to use a larger pot than the previous one. Choose a soil fertile and well-drained.

antirrhinum majus care

How to Care for Snapdragons: Watering

Water when the substrate of the pots tends to dry out, in the garden, water frequently only in hot periods.

Feeding Snapdragons

Fertilize with fertilizer for flowering plants.

Pruning Snapdragons

It does not require great care, it is sufficient to remove the flowers and wilted leaves.

Diseases Snapdragons

Powdery mildew causes the appearance of a superficial white mold on the leaves and, sometimes, a gray mold can also be seen, which causes curling and drying of the leaves themselves.


The most common pests that can occur are thrips, spider mites, aphids, whiteflies, and caterpillars.

snapdragon in the garden