The other thing to notice is the choice of 'dark' words: straggling and vainly. Even gooseberry bushes, which aren’t pretty—they’re kind of stunted and brambly.
…and, running up the flagged causeway bordered with straggling gooseberry-bushes, knocked vainly for admittance.
Let’s try writing a fully gothic variation. Here is the pattern:
...and, running up the flagged causeway bordered with straggling gooseberry-bushes, knocked vainly for admittance.